Home

BAS-311H - Brother

1. Item No Item name Input status Check items and checking methods Work clamp motor home position sensor position 5 orP on oFF Remove the rear cover and raise the work clamp manually ON when raised OFF when lowered Work clamp motor encoder counter value r e e Remove the rear cover and raise the work clamp manually L 6 LEnP 999 999 Back down Forward up When the power is turned on the position will be 0 Upper shaft 360 rotation segment signal 7 dEG 000 359 Turn the pulley by hand Increases in the forward direction the direction of the arrow Needle up signal 8 UP on oFF Turn the pulley by hand ON in the needle up region OFF in any other region 9 voL x Shows the input voltage A Operation panel key input check 10 Prt x LoFF The key name will be displayed while a key is pressed On display Key name rESt RESET key tESt TEST key tHrE THREAD CLAMP key tEn TENSION key SELE SELECT key UP M A key dn M V key UP S SECTION key dn S SECTION key UP t TENSION key dn t TENSION key F1 Function key F1 F2 Function key F2 F3 Function key F3 F4 Function key F4 Ent ENTER key Foot switch analog value Depress the foot switch 11 FtA 0 255 When depressed forward the value increases Should normally display somewhere around 102 wh
2. BAS 311H 144 11 LIST OF ERROR CODES Communication and memory related errors Code Cause of error and remedy Communication error detected between the main P C board and the motor P C board when the power was turned on E401 Turn off the power and then check that connector P1 on the panel P C board connector P5 on the main P C board and connectors P2 and P3 on the motor P C board are properly inserted Communication error detected between the main P C board and the panel P C board E410 Turn off the power and then turn it back on again Turn off the power and then check that connector P1 on the panel P C board connector P5 on the main P C board and connectors P2 and P3 on the motor P C board are properly inserted Communication error detected between the main P C board and the motor P C board E411 Turn off the power and then turn it back on again Turn off the power and then check that connector P1 on the panel P C board connector P5 on the main P C board and connectors P2 and P3 on the motor P C board are properly inserted E412 Communication error detected between the panel and the programmer Turn off the power and then turn it back on again No SD card is inserted E420 Press the RESET key to clear the error Insert an SD card and then try again The sewing data number is invalid or it has no corresponding data E421 Press the RESET key to clear the error Check that da
3. 1 Select the w6 SD data read write mode ty PROGRAM No Gr Ho B L o al a 2666B 2 Iml Press the ENTER key AE No M w 7 Pe pD Ste ENTER T A 2414B ll a aa The buzzer will sound and the memory switch data will While writing be copied to the SD card gt TENSION PrG appears in the tension display 2667B 2668B 3 When the display returns to the status in step 1 writing of YE PROGRAM No the program data is complete IT P H Li asi If you would like to use any other read write modes press the A or V key to select the mode and then run it 2666B 4 Exit read write mode Press the TEST key of TEST TEST indicator switches off 2404B BAS 311H 44 5 USING SD CARD 5 10 r 7 Reading sewing machine data 1 Select the r7 SD data read write mode 2 Press the ENTER key YE PROGRAM No J _ FI ENTER l 2414B The buzzer will sound and the sewing program data cycle program data memory switch settings and While reading additional sewing data will be read from the SD f memory card and stored in the sewing machine s gt TENSION MEM appears in the tension memory and the sewing programs cycle programs display while memory switch settings i and memory switch settings will be applied are being read the sewing data number appears while additional If no sewing program data or cycle program data sewing data is being read
4. Ball bearings 2 pcs 3327B Work clamp cam Work clamp cam gear Work clamp fulcrum shaft Retaining ring C Plain washer Screw Set screws 2 pcs Set screws 2 pcs Work clamp driving lever Plain washer Stepping foot driving lever Work clamp lever shaft Set screw Set screw Work clamp lifter link Insert from the back Link shoulder screw Bolt ONDARON O DAPO EEN CON Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bearing 1 Align the screw stop and then tighten the screw 14 so that there is no play in the work clamp driving lever 10 and the stepping foot driving lever 12 4 S Check that the work clamp driving lever X Apply adhesive 10 and stepping foot driving lever 12 Threebond 1324N or turn smoothly ety similar to the outer bearing surface of the ball bearing 1 1 Set the work clamp cam gear 3 so that there is no 2 Set the work clamp cam 2 so that there is no clearance clearance between it and the ball bearing 1 in the between it and the work clamp cam gear 3 in the shaft shaft direction and then align the V groove in the direction and then align the V groove in the work clamp work clamp fulcrum shaft 4 with the thread on the fulcrum shaft 4 with the thread on the index mark side on hole side of the work clamp cam gear 3 Then the work clamp cam 2 Then tighten the set screw 8
5. ie Bush reference line 3375B Mating mark O ol Insert the crank rod lower part 16 and the needle bearing 17 into the crank of the upper shaft then insert the needle bearing 17 from above and then place the crank rod upper part 18 on top of that so that the mating marks are aligned then gently tighten the bolts 19 Check that the machine pulley turns smoothly After tightening the bolts 19 apply grease through the hole in the top of the crank rod upper part 18 while turning the upper shaft 13 14 15 16 17 18 19 20 21 75 Lower shaft assembly Insert from the rear of the machine head Set screw Driver Bolt Temporarily tighten Crank rod Lower part Insert into upper shaft crank Needle bearing Crank rod Upper part Align the mating mark Bolts 2 pcs Crank cover Screws 3 pcs BAS 311H 3368B Edge of bed S Align the bush reference line of the lower shaft assembly 12 with the edge of the bed and then tighten the set screw 13 A W 3282B 7 ASSEMBLY 7 10 Shuttle hook mechanism 5149Q Needle bar thread guide Needle Set screw Shuttle hook Shuttle race base Shuttle race base setting claw Close Bobbin 8 Bobbin case After installing the shuttle hook 4 carry out the adjustments in
6. Sewing data If you would like to keep additional sewing data represents the sewing data number for different sewing machines on a single SD card change the folder name Memory switch Same as above ISMMSW SEW Parameter Same as above ISMUPG SEW Cycle program Same as above ISMCYC SEW Error log BROTHER ISM ISMLDT Stores the files which relate to error logs 37 BAS 311H 5 USING SD CARD 5 3 Preparation for reading and writing data 1 Insert the SD card into the SD slot NOTE Make sure the SD card is facing the correct way The cover should be closed at all times except when the SD card is inserted and removed otherwise dust may cause trouble 2650B 2 Turn on the power switch OF cAUTION _S SECTION No 4 A RESET TENSION 6B Gl TEST indicator flashes 3 Switching to SD data read write mode lt gt X XSCALE F o TY Y ScALE o speen F2 IBE counter F3 For example mode No w2 De eet teal menu display Oey WIPER The initial mode is additional sewing data reading mode Refer to Read write mode list below 3207B Press the A or V key to select the mode 2653B While pressing the TEST key press the ENTER key oD a TEST sd will appear in the PROGRAM No display and read will appear in the menu display while the SD card is being read
7. Install the shuttle race thread guide 1 by pushing it in the direction of the arrow so that the needle groove is aligned with the center of the needle plate hole NOTE If the shuttle race thread guide is in the wrong position thread breakages soiled thread or tangling of the thread may occur The position of the shuttle race thread guide is adjusted at the time of shipment from the factory It should not be changed if possible 8 9 Rotary hook lubrication amount The optimum position is when the head of the set screw 1 is aligned with the edge of the bed The rotary hook lubrication amount can be adjusted within three turns to the right from that position If the set screw 1 is turned clockwise the lubrication amount becomes smaller If the set screw 1 is turned counterclockwise the lubrication amount becomes greater Aligned 3127B 89 BAS 311H 8 ADJUSTMENT 8 10 Adjusting the thread trimmer cam position Remove the top cover 2 Loosen the two set screws 1 and then adjust the position of the thread trimmer cam 3 so that the distance between the edge of the collar shaft 2 and the edge of the thread trimmer cam 3 is 0 2 to 0 5 mm After adjusting tighten the two set screws 1 one after the other Refer to 7 1 Upper shaft mechanism 3 Install the top cover 4685Q 8 11 Adjusting the position of the movable knife
8. 0 Standard Tension release is open at the sewing end 0 Increases the force 3 5 565 0 2 1 Tension release is closed at the sewing end When using threading 1 None mode it will be closed in approximately 5 minutes 7 Tension release force is set to the maximum 2 Tension release is closed at the sewing end When using threading mode it will be closed in approximately 1 minute Upper thread tension during test feed 567 ON OFF OFF Upper thread tension not applied OFF None ON Upper thread tension applied Detection timing for lower thread sensor Not reset during initialization 569 0 3 0 None 0 Sensor not used 1 Before 2 After 3 Before and after Wait time after lower thread detection is complete 570 1 99 30 None Units x10 ms Increments of 1 Wait time for lower thread detection response 571 1 99 30 None Units x10 ms Increments of 1 Output time for lower thread detection operation command signal 572 1 99 50 None Units x10 ms Increments of 1 19 BAS 311H 3 FUNCTION SETTINGS Error processing settings No Seung Settings Setting details iial Ppacioaion range value limits Error release method when operation has stopped Not reset during initialization 0 Press the RESET key on the operation panel to release errors 650 0 2 1 Press the RESET key or the S
9. o X wer z eee EN SELECT NTER 3 3202B If a beeping sound is heard and Pr diFF is displayed it means that the method has been set to Method B In this case start by means of Method B Refer to the next page 2 Press the A or W key 5 to select the protection level oo N OD Protection level Details OFF Nothing is disallowed Certain operations are disallowed depending on the protection level 1 6 Protected items have been preset for each level Refer to Table of protection levels and corresponding protected items on page 33 You can change the protection setting for each of the 22 items individually 7 Set to ON disallowed or OFF allowed for each item All items are set to OFF at the time of shipment from the factory Press the ENTER key 3 to store the protection level If setting to a protection level other than level 7 proceed to step 4 If setting to level 7 proceed to step 5 Press the TEST key 2 The display will return to the normal display and the sewing machine will change to home position standby The item number will appear in the PROGRAM No display 6 and the setting ON OFF will appear in the menu display 4 Press the A or V key 7 to select the item number 1 21 Press the A or W key 5 to change the setting ON OFF Press the ENTER key 3 to store the setting ON OFF Repeat steps 6 to 8 above for each it
10. Automatic needle lifter operation Does not operate automatically and a needle up stop position error is generated OFF 1 e 171 ON OFF When memory switch No 655 is set to ON the sensor can also ON None be ignored If the needle bar is not at the needle up stop position during feeding ON or work clamp home position detection it moves automatically to the needle up stop position 4 Only enabled when memory switch No 100 is set to OFF 13 BAS 311H Feed settings 3 FUNCTION SETTINGS UUU UU No Setting range Settings Settings details Initial value Specification limits 250 ON OFF Mechanism home position return when sewing is finished OFF When sewing is finished the feed returns to the start position ON When sewing is finished the feed moves via the machine home position to the start position OFF None 251 1 5 The speed of the feeding operation Slow 100 mm s 200 mm s 300 mm s AJOIN 400 mm s 5 Fast 500 mm s None 252 i ON OFF High speed test feed method OFF Normally slow but becomes faster when the foot switch is depressed to the 1st step For a two pedal foot switch when the work clamp switch is depressed ON High speed feeding starts at the same time test feeding starts OFF None 253 Moving method to the start point Not reset during init
11. CD Instruction manual Damage or burring in parts such as the rotary hook needle hole plate needle or thread path Repair the respective part by buffing it Alternatively replace the part Lower thread tension is too strong Upper thread tension is too weak Reduce the lower thread tension Increase the upper thread tension Adjust the upper thread tension CD Instruction manual CD Instruction after adjusting the lower thread manual tension Thread take up spring tension is too Increase the tension of the thread P87 weak take up spring Feed timing is too fast Retard the feed timing Intermittent height of intermittent Adjust the intermittent height of the CD Instruction work clamp is too low intermittent work clamp manual Adjust the driver needle guard P 88 Needle and rotary hook tip are touching Deore Adjust the needle clearance P 89 Lower thread is not tight 0574M Poor seam finish on underside of material at Lower thread tension is too weak Increase the lower thread tension CD Instruction manual Upper thread tension is too strong Upper thread trailing length is too Reduce the upper thread tension Adjust the upper thread tension after adjusting the lower thread tension Adjust the sub tension so that the upper thread trailing length after CD Instruction manual CD Instruction Upper thread trailing lengt
12. Sewing speed for 5th stitch before the sewing end 156 200 2800 TEE 2800 None Units sti min Increments of 100 Sewing speed for 4th stitch before the sewing end 157 200 2800 r SNA 2800 None Units sti min Increments of 100 Sewing speed for 3rd stitch before the sewing end 158 200 2800 PETE 2800 None Units sti min Increments of 100 Sewing speed for 2nd stitch before the sewing end 159 200 2000 1200 None Units sti min Increments of 100 Piercing force boosting operation 161 ON OFF OFE Disabled OFF None ON Enabled Piercing force boosting operations are carried out when the sewing machine motor is locked Regulation of sewing speed changes due to sewing pitch changes OFF Sewing speed varies depending on sewing pitch of the sewing data 162 ON OFF Speed is fixed at the minimum sewing speed for the maximum pitch OFF None ON of the sewing data Set to ON if there may be a problem with sewing speed changes as a result of pitch changes The maximum value is limited when the sewing speed is set using the menu It is applied to the panel speed display 163 ee The maximum values are limited for all speed setting values which have been 2800 None programmed Units sti min Increments of 100 Thread trimming disabled 164 ON OFF OFF Thread trimming is carried out in accordance with the sewing data OFF None ON
13. Shuttle race cover assembly Screws 2 pcs Face plate assembly Screws 3 pcs Eye guard assembly Plain washers 2 pcs Screws 2 pcs 7 ASSEMBLY 3288B Side cover Screws 4 pcs Rear cover Screws 4 pcs Top cover Screws 6 pcs BAS 311H 84 8 ADJUSTMENT 8 ADJUSTMENT A CAUTION 8 1 Checking the machine head switch 85 Maintenance and inspection of the sewing machine should only be carried out by a qualified technician Ask your Brother dealer or a qualified electrician to carry out any maintenance and inspection of the electrical system Turn off the power switch and disconnect the power cord from the wall outlet at the following times otherwise the machine may operate if the foot switch is depressed by mistake which may result in injury When carrying out inspection adjustment and maintenance When replacing consumable parts such as the rotary hook 2 CELA SSS a Cs or D BAS 311H A Hold the machine head with both hands when tilting it back or returning it to its original position Furthermore after tilting back the machine head do not push the face plate side or the pulley side from above as this may cause the machine head to topple over which may result in personal injury or damage to the machine If the power switch needs to be left on when carrying out some adjustment be
14. Switch related errors Code Cause of error and remedy E010 The STOP switch was pressed Press the RESET key to clear the error The STOP switch was pressed E011 Press the RESET key to clear the error Press the W key to move the feed mechanism so that you can continue sewing The STOP switch was pressed E012 Press the RESET key to clear the error and then depress the start switch to move the feed mechanism to the home position The stop switch was still being pressed when the power was turned on or there is a problem with the stop switch E015 connection Turn off the power and then check that connector P9 on the main P C board is properly connected Problem with the stop switch connection E016 Turn off the power and then check that connector P9 on the main P C board is properly connected Start switch was being depressed when power was turned on E025 Fora foot switch the foot switch was being depressed to the 2nd step Turn off the power and check the foot switch Work clamp switch was being depressed when power was turned on E035 For a foot switch the foot switch was being depressed to the 1st step Turn off the power and check the foot switch Machine head tilting was detected after the power was turned on E050 Turn off the power and then return the machine head to its original position Check that connector P14 on the main P C board is properly connected Machine head til
15. 8 6 Adjusting the timing and the driver needle guard and 8 7 Adjusting the needle clearance OarwNns N BAS 311H 76 7 ASSEMBLY 7 11 Thread trimmer mechanism Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows When the ball joint assembly of thread trimmer rod assembly H 2 has been disassembled assemble it so that the distance between the centers of the holes is 315 5 0 5 mm Ball joint assembly 315 5 0 5mm Tighten the set screws 14 against the screw stops while lightly pressing the thread trimmer lever shaft 13 While gently pushing the movable knife lever shaft 5 and the set screw collar 1 Movable knife lever 10 Thread trimmer lever V 7 together from above and below 2 Thread trimmer rod assembly H 11 Shoulder screw B tighten the set screws 8 against the 3 Shoulder screw B 12 Nut screw stops 4 Nut 13 Thread trimmer lever 5 Movable knife lever shaft shaft 6 Thrust washers 2 pcs 14 Set screws 2 pcs 7 Set screw collar 15 Spacers 2 pcs 8 Set screws 2 pcs 16 Spring 9 Bolt 17 Spring hook 77 BAS 311H 7 ASSEMBLY Assemble so that the wick is hanging down Tighten the set screw 22 on the screw stop while lightly pressing the collar shaft 20 in the direction shown in the illustration Check that the thread trimmer collar 19 turns smoothly Apply gre
16. Note For a two pedal foot switch depress the work clamp switch and then depress the start switch YES Does not the machine start to move and any error code Does error code appear on the display after the machine start to move Does the work clamp move stitch by stitch so as to form stitches Is the thread trimmer activated Does the needle stop in the up position ee HE eH He ee YES Insert the SD card and then turn on the power While pressing the TEST key press the ENTER key Is the SD card read write mode active NO YES 3323B 125 BAS 311H 10 ELECTRIC MECHANISM 10 5 2 Problem solution and measures A DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box Touching areas where high voltages are present will result in serious injury from electric shocks 1 Pay attention to the following when opening the control box for maintenance Electrical shock Some large capacitors may have a high voltage remaining in them for up to 5 minutes after the power is turned off To prevent electrical shock wait at least 5 minutes after the power is turned off before doing the following Opening and closing the control box Replacing fuses Separating and joining connectors Measuring resistance Doing anything with a possibility of touchin
17. Symbols A a a eis 28 ue This symbol A indicates something that you should be careful of The picture inside the triangle indicates the nature of the caution that must be taken S Ppa ee The symbol Q indicates something that you must not do perge Setoteleet ees The symbol indicates something that you must do The picture inside the circle indicates the nature of the thing that must be done For example the symbol at left means you must make the ground connection BAS 311H j 2 Notes on safety DANGER A Wait least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the control box cover Touching areas where high voltages are present can result in severe injury AWARNING Do not allow any liquids to get onto this sewing machine otherwise fire electric shocks or operating problems may occur If any liquid gets inside the sewing machine machine head or control box immediately turn off the power and disconnect the power plug from the electrical outlet and then contact the place of purchase or a qualified technician AXCAUTION Environmental requirements Use the sewing machine in an area which is free from sources of strong electrical noise such as electrical line noise or static electric noise Sources of strong electrical problems with correct operation noise may cause Any fluctuations in the power supply voltage should be
18. 106 8 ADJUSTMENT 6 Depress the foot switch to the 2nd for a two pedal foot switch depress the start switch to provisionally confirm the offset value Home position detection for the X feed or Y feed motor will be carried out based on the currently displayed offset value Check the home position JoG will disappear from the TENSION display 2nd step gt TENSION 4441Q 2796B 7 Repeat steps 5 and 6 to set the home position to the correct position 8 Press the ENTER key to confirm the offset value The offset value will illuminate in the menu display PED If the offset value has not been provisionally confirmed ENTER if JoG is illuminated the invalid buzzer will sound 2414B 9 Exit adjustment mode Press the TEST key O The display will return to the normal display and the ham sewing machine will switch to home position detection TEST standby TEST indicator switches off 2404B 107 BAS 311H 8 ADJUSTMENT 8 23 Adjusting the motor standard position Needle DPx17 DPx5 3 K Distance H 57 0 mm 51 9 mm Distance h 18 0 mm 12 9mm 3 1 Remove the needle and the needle bar thread guide 2 Turn the pulley to move the needle bar 1 to its owest position O F Usk ER Li 3 Remove the rubber cap 2 from the face plate and then loosen the screw 3
19. BAS 311H 8 ADJUSTMENT 8 25 Setting method for standard depression strokes Foot switch Use the following procedure to set operating positions for the depression strokes 1 Signal setting entry Iii While pressing the A and A key turn on the power switch PdL wil illuminate in the PROGRAM No display and 4 Frt will illuminate in the menu display 2826B 2 Memorizing the maximum forward position ocean gt bal A yo PaL CN OJCAUTION S section no mn o X XSCALE 3 Se a ljo ss F2 off counter Fs g f J Ile TENSION oN wren 3 Memorizing the neutral position WPRoGRAM No A az brother Pt enue OL CAUTION S SECTION I Jo X xscae 7 Ta pus il B oty yscae ENTER o B s F na opga counen F3 sitenin r 7 are F3 a fe E o X weer Ex With the foot switch depressed all the way forward wait until the value in the TENSION display stabilizes and then press the ENTRY key XXX indicates the treadle depression voltage 3397B With your foot released from the foot switch wait until the value in the TENSION display stabilizes and press the ENTER key 3398B 4 Memorizing the maximum backward position B PROGRAM No A vone EM PaL B JNE SSN Pf otme sson a X xsone j DA e te ENTER n ser z Hlo s F2 TENSION m OHIBE counter F3 eo A o
20. P2 SOL 1 a Turn on the power switch and check LD2 green on the main PCB OK if illuminated b Turn off the power switch and with connector P2 SOL1 disconnected from the main PCB check the continuity between terminals 3 and 6 of connector P2 on the main PCB OK if ohms c With connector P3 SOL2 disconnected from the main PCB check the continuity between terminals 1 and 2 of connector P3 on the main PCB OK if co ohms d With connector P2 SOL1 inserted into the main PCB turn on the power switch carry out sewing and measure the voltage between terminals 3 and 6 of connector P2 OK if voltage is output momentarily at the sewing end e With main PCB connector P3 SOL2 connected turn on the power and carry out sewing and measure the voltage between pins 1 2 of connector P3 SOL2 OK if there is voltage output momentarily after sewing stops Main PCB assembly 139 BAS 311H 10 ELECTRIC MECHANISM Error status 20 The machine does not stop at the needle up stop position UP is frequently displayed after sewing Probable causes 1 Incorrect adjustment Check repair adjust Adjust while referring to 8 22 Adjusting the home position Parts to be replaced 2 Problem with upper shaft motor operation Refer to steps 1 to 5 in 17 Resolver stator assembly Motor PCB assembly Motor 430 assembly Error status 21 SD card read write mode c
21. This sewing machine should only be used by If using a work table which has casters the casters operators who have received the necessary training in safe use beforehand should be secured in such a way so that they cannot move The sewing machine should not be used for any Attach all safety devices before using the sewing applications other than sewing Be sure to wear protective goggles when using the machine If goggles are not worn there is the danger that if a needle breaks parts of the broken needle may enter your eyes and injury may result Turn off the power switch at the following times If the foot switch is depressed by mistake the sewing machine might start operating and injury could result When threading the needle When replacing the bobbin and needle When not using the machine and when leaving the machine unattended machine If the machine is used without these devices attached injury may result Do not touch any of the moving parts or press any objects against the machine while sewing as this may result in personal injury or damage to the machine If an error occurs in machine operation or if abnormal noises or smells are noticed immediately turn off the power switch Then contact your nearest Brother dealer or a qualified technician If the machine develops a problem contact your nearest Brother dealer or a qualified technician Turn off the power switch before carrying out cleaning If
22. Work clamp drop sequence lift lift at work clamp switch 1st and 2nd step alternates each time an article is sewn Automatic Initially right left Lowered lift Lowered Lowered lt Pneumatic work clamp specifications two pedal foot switch sequence operations gt Operating mode Memory switch setting After home After Work clamp operation position 057 3 sewing start detection A ti Automatic Work cl When start switch is Hee lift ork clamp drop d d k cl lift sequence selection Pre SEOSE Ap Lowered 0 Left and right drops sewing starts x simultaneousl Lifts in reverse order using Automatic on Right i 2 Right Left work clamp switch Lowered lift Lowered Automatic a i Work clamp drop Work clamp switch lift sequence selection Left right work clamp gt Lowered 0 Left and right Right left work clamp Aiomaie simultaneously Both work clamps lift L i lift 1 Left Right Owerg 2 Right Left Lowered BAS 311H 24 3 FUNCTION SETTINGS 3 6 Error history checking method The past error history can be checked by the following procedure 2 4 3 6 1 OYCAUTION S SECTION No X SCALE a O TY Y SCALE RESET o amp sPEED TENSION o IBE counter O f SPLITNo oO NL WIPER Chitin O v THREAD CLAMP TENSION SELECT
23. 4 With the power switch turned off turn the pulley in the direction of the arrow to set the needle to the needle up stop position near the highest thread take up position 2 While pressing the A W keys simultaneously turn on the power switch gt gt STEP O CAUTION S SECTION No Fe ReX X SCALE F1 M RESET F2 TJ o sree TENSION OfMBE counter F3 orG will flash in the PROGRAM No display and the a aaa o 4 SPLITNo currently recorded offset value will be displayed in the menu o NY wrer Eg display 3256B 2789B Press the SELECT key so that the THREAD CLAMP indicator illuminates THREAD CLAMP 2798B 4 Depress the foot switch to the 2nd step for a two pedal foot switch depress the start switch Home position detection for the work clamp lift motor will be carried out based on the currently displayed offset value orG will illuminate in the PROGRAM No display If you would like to reset press the RESET key for 2 seconds or more at this time Then the offset value will be reset to O and home position detection for the work clamp lift motor will be carried out 2nd step A RESET 4441Q 2634B Continued on next page BAS 311H 102 8 ADJUSTMENT 1 Press the A or W key to change the offset value 999 to 999 so that the work clamp lifter plate 1 moves to the position where it starts to lower 5 lt Moto
24. BAS 311H 4 3 FUNCTION SETTINGS 3 2 List of advanced functions This list shows the key operations for using advanced functions 7 8 EJ PROGRAM No i ci cy a oror EEF E S SECTION No gt TENSION OI CAUTION La RESET 0 opn THREAD CLAMP o X xscate F O TY Y SCALE O amp SPEED F2 o DBE counter F3 oO SPLITNo oO N WIPER 2 5 9 3195B Memory switch setting mode Standard 2608B ES 63 1 2 Refer to the CD Instruction Manual 5 Cycle program setting mode eS Refer to the CD Instruction Manual 2612B Lower thread counter setting mode 2609B ES U 1 3 Refer to the CD Instruction Manual 6 Parallel movement mode Es i 1 8 Refer to 4 X and Y parallel movement of sewing patterns 2614B Production counter setting mode 2610B Refer to the CD Instruction Manual 7 SD data read write mode PED E 1 9 Refer to 5 3 Preparation for reading and writing data 2615B Program mode 2611B B amp 1 5 Refer to the CD Instruction Manual BAS 311H 3 FUNCTION SETTINGS 3 3 Setting memory switches Advanced 1 Change the mode to memory switch setting mode While pressing the TEST key and the SELECT key turn on
25. Loosen the bolt 11 9 Move the movable knife connecting plate 13 back and forth to adjust so that the distance from the ridge on the right side of the needle plate to the ridge on the movable knife 12 is 9 5 to 9 9 mm 10 After tightening the bolt 11 check the above position once more Ignore the index mark on the needle plate 11 Replace the cover 10 12 Check that there is a gap of about 0 1 mm between the outside of the hole in the movable knife 12 and the ridge line on the shuttle race thread guide 14 when there is still play between the parts 91 BAS 311H 8 ADJUSTMENT 8 12 Replacing the movable and fixed knives ae Poa 3342B Loosen the two bolts 1 and then remove the feed plate 2 2 Open the shuttle race cover and remove the two screws 3 and the two flat screws 4 and then remove the needle plate 5 3 Remove the movable knife 6 and the fixed knife 7 0 1 mm for medium weight and heavy weight material specifications 2 5 mm for seatbelt specifications Install the new fixed knife 7 in the position shown in the illustration Apply grease to the outside of the collar 8 and to the shoulder screw 9 and then install the new movable knife 6 together with the thrust washer 10 and the movable knife spacer 11 6 Check that the movable knife 6 and fixed knife 7 cut the thread cleanly Replace the movable knife spacer with accessory
26. Once reading of the SD card is complete the mode number will appear in the PROGRAM No display and the setting for that mode number will appear in the 2652B Read write mode list ey a Menu display Setting items r1 Sew Additional sewing data is read from the SD card 1 w2 Sew Additional sewing data is written to the SD card r3 MEM Memory switch settings are read from the SD card w4 MEM Memory switch settings are written to the SD card r5 PrG Reads sewing program data and cycle program data from the SD card w6 PrG Writes sewing program data and cycle program data to the SD card r7 ALL Reads all sewing machine data sewing program data cycle program data memory switch settings and additional sewing data from the SD card we ALL Writes all sewing machine data sewing program data cycle program data memory switch settings and additional sewing data to the SD card w9 LoG Error log data is written to the SD card 41 The additional sewing data that can be used with this sewing machine is data which has been created for the BAS 311H BAS 311H 38 5 USING SD CARD 5 4 r 1 Reading additional sewing data 1 Select the r 1 SD data read write mode PROGRAM No a The number of the additional sewing data in the SD brother memory card folder will appear in the tension display
27. and PrG exists an error buzzer will sound appears while program data is being read 2670B 2663B 3 When the display returns to the status in step 1 reading Na PROGRAM No of the program data is complete E If you would like to use any other read write modes press the A or V key to select the mode and then run it 2669B 4 Exit read write mode Press the TEST key of TEST TEST indicator switches off 2404B 45 BAS 311H 5 USING SD CARD 5 11 w 8 Writing sewing machine data to an SD card 1 Select the w8 SD data read write mode EJ PROGRAM No HE Ll Ll 2671B 2 Press the ENTER key E PROGRAM No Ho Pw m i ENTER 2414B The buzzer will sound and the sewing program data While writing cycle program data memory switch settings and additional sewing data will be copied to the SD card TENSION MEM appears in the tension display while memory switch settings are being written the sewing number appears while additional sewing data is being written and PrG appears while program data is being written 2672B 2663B 3 When the display returns to the status in step 1 writing of PROGRAM No the sewing machine data is complete Lt Cy l Ld L If you would like to use any other read write modes press the A or V key to select the mode and then run it 2671B 4 Exit read write mode Press the TEST key fe J TEST indicator switches off TEST 2404B BAS 311H 4
28. of the needle bar clamp h 4 Adjust so that the lowest needle bar position is at the distance h Needle plate 5 Tighten the screw 3 and then install the rubber cap 3259B 2 6 With the power switch turned off turn the pulley in the direction of the arrow to set the needle to the needle up stop position near the highest thread take up position 7 While pressing the keys simultaneously turn on the power switch orG will flash in the PROGRAM No display and the currently recorded offset value will be displayed in the menu display 3364B 8 Turn the machine pulley once to lower the needle bar 1 to height H When the needle bar 1 is at the position of H it is lowered 6 7 mm from its highest position 9 Press the ENTER key YE PROGRAM No zm D Eeti brother STEP B m UP will illuminate in the SECTION No display and OLCAUTION S SECTION no ple X XSCALE F1 dn will illuminate in the TENSION display Cee ima 0 amp srm F2 If the displays are still flashing carry out step 4 once more J IBE counter a o SPLITNo oo dal 4 E o Ab wrer Fa 3260B 2414B 10 Exit adjustment mode Press the TEST key The display will return to the normal display and the fe sewing machine will switch to home position TEST detection standby TEST indicator switches off 2404B 11 Turn off the power switch and install the needle and the needle bar thread guide BAS 311H 108
29. radios or cordless telephones otherwise such equipment may be affected by electronic interference from the sewing machine The sewing machine should be plugged directly into an AC wall outlet Operation problems may result if extension cords are used Carrying the machine The machine should be carried by the arm by two people as shown in the illustration When holding the machine head do not hold it by the motor otherwise it may damage the motor Do not hold the shaded parts as they can bend easily Tilting back the machine head 1 Pack away any tools which are near the table 2 Secure the foot A so that the table will not move and then pull the arm with both hands to tilt back the machine head While supporting the arm with both hands gently lower it Returning the machine head to the upright position 1 Pack away any tools which are near the table 2 While supporting the arm with both hands gently return the machine head to its original position BAS 311H 2 3 FUNCTION SETTINGS 3 FUNCTION SETTINGS 3 1 List of special functions when power is turned on This list shows the key operations for using special functions Data initialization function Memory switch setting mode Advanced Refer to 3 3 Setting memory switches Advanced by PROGRAM No oom brother fafafa OY CAUTION SECTION No 5 6 aS a O X XSCALE O TY Y SCALE o
30. to the tip of the needle is approximately 2 mm and the tip of the thread wiper 2 is approximately 3 mm from the center of the needle when the thread wiper 2 passes below the needle during operation Note Check that the thread wiper 2 does not touch the finger guard 8 15 Presser foot installation position Install the presser foot 1 with the screw 2 so that the distance from the bottom of the presser foot 1 to the top of the needle plate is 22 mm when the sewing machine is stopped and the presser foot 1 is raised 5031Q BAS 311H 94 8 ADJUSTMENT 8 16 Adjusting the intermittent work clamp The intermittent stroke can be adjusted to within 2 10 mm by adjusting the position of the stepping clamp connecting rod and changing the installation position of stepping clamp link A lt Changing the installation position of stepping clamp link A gt 1 2 3137B 5011Q 1 Remove the face plate 2 Remove the two screws 1 and the two shoulder screws 2 and then remove stepping clamp link A 3 3 Change the installation position for stepping clamp link A 3 to either A B or C above If the position of the stepping clamp connecting rod is adjusted as described in the following at any one of the installation positions the adjustment range for the intermittent stroke will as given in the following table Installation position I
31. 21 so that the backlash is 0 01 0 05 mm BAS 311H 16 17 18 19 20 21 7 ASSEMBLY Work clamp pulse motor P assembly Work clamp driving gear Set screws 2 pcs Work clamp motor plate Bolts 4 pcs Bolts 2 pcs 66 7 ASSEMBLY 7 6 Feed mechanism Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows Apply adhesive Threebond 1324N or similar to the outer bearing surface of While pushing in the direction of the the ball bearing 1 arrow tighten the set screws 8 While pushing in the direction of the arrow tighten the set screws 8 Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bearing 2 Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bearing 1 Ball bearings 2 pcs Ball bearing Timing belt Timing pulley X pulley driving shaft Retaining ring C X feed gear Set screws 6 pcs ONDARON 67 BAS 311H 7 ASSEMBLY Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bearing 10 Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bearing 10 ae 9 X pulley bracket 10 Ball bearings 2 pcs 11 Timing pulley 12 X pulley fulcrum shaft 13 Set screws 4 pcs 14 Bolts with washer 4 pcs 3271B A
32. 4 press the SELECT key instead of the TEST key TEST indicator switches off 2404B NOTE If you change the program number the X scale or the Y scale the movement amount which has been stored will be reset However if memory switch No 465 is set to 3 the movement amount will remain stored and not be reset When the power switch is turned off the movement amount which has been stored will be reset However if memory switch No 465 is set to 2 or 3 the movement amount will remain stored and will not be reset If memory switch No 465 is set to 3 the movement amount can be set for each program using parameters The Movement amount setting parameter selection comes in between Sewing speed and Counter BAS 311H 36 5 USING SD CARD 5 USING SD CARD 5 1 Notes on handling SD cards commercially available Use an SD card or a multimedia card with a capacity of 2GB or less Do not disassemble or alter SD cards Do not bend drop scratch or place heavy objects on top of the SD cards Do not allow the SD cards to become wet such as with water oil solvents drinks or any other liquids Do not use or store the SD cards in a locations exposed to strong static electricity or electrical interference Do not use or store the SD cards in a locations exposed to vibrations or impacts direct sunlight extreme dust or lint high temperatures high humidity severe temperature fluctu
33. 8 ADJUSTMENT 8 24 Adjusting the needle up stop position Adjustment method 1 4 free Xx F1 O CAUTION S SECTION No A XSCALE F 1 lay VA o fy y scaLe RESET RA F 2 TENSION 7 o COUNTER F3 a stom aa SPLITNo o X wrer Fa While pressing the V A keys simultaneously turn on the power switch orG will flash in the PROGRAM No display and the offset value will be displayed in the menu display 3256B 3420B 2nd step Depress the foot switch to 2nd step If using a two pedal foot switch lower the work clamp before depressing the start switch X Y home position detection will be carried out and the orG will stop flashing and illuminate steadily 4441Q Press the A or W key to set the offset value 9 10 When you press the A key the needle bar will drop and when you press the W key it will rise NOTE After changing the offset value check that the thread trimming operation is normal 2793B 2nd step Depress the foot switch to the 2nd step If using a two pedal foot switch lower the work clamp before depressing the start switch The upper shaft will move and stop at the offset value that has been set 4441Q Exit adjustment mode of TEST TEST indicator switches off Press the TEST key The offset value will be memorized and the sewing machine will switch to home position detection standby 2404B 109
34. Disconnect the foot switch from the foot switch Connector on the foot switch adapter harness and measure the voltage between pins 5 6 and 7 8 of the foot switch connector Check between pins 9 10 if using a two pedal foot switch OK if the resistance is normally ohms but 0 i ohms when depressed 4 Malfunction of foot switch adapter After checking the foot switch in step 3 connect Foot switch Foot switch cord BAS 311H 130 10 ELECTRIC MECHANISM Probable causes 1 If E130 E131 or E132 is displayed there is a poor connection of the synchronizer Error status 5 Error code appears on the display when the foot switch is depressed Check repair adjust Refer to inspection 2 4 Parts to be replaced 2 If E130 E131 or E132 is displayed there is a poor connection of the upper shaft motor Check the connection of the relay connector between the upper shaft motor and the motor PCB 3 If E130 E131 or E132 is displayed there is a blown fuse a Remove fuses F1 and F2 from the motor PCB and check the continuity OK if there is continuity b If fuse F1 of F2 is blown check the resistance values between each pin of the relay connector between the upper shaft motor and the motor PCB and between each terminal of the fuses OK if ohms c If the fuses blow again after they are replaced replace the motor PCB GFU
35. OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 and P24 into the main PCB Parts to be replaced Power PCB assembly 2 Ifthe Y feed does not move and E210 is displayed there is a malfunction of the main PCB P24 POWER 1 2717B 2720B a Disconnect connector P24 POWER1 from the main PCB and check the continuity between terminals 1 and 2 of P24 OK if co ohms b Disconnect connector P22 YPM from the main PCB and check the continuity between terminals 1 and 2 3 and 4 of P22 OK if ohms c Insert P22 and P24 into the main PCB turn on the power switch and then check LD1 red on the power PCB OK if illuminated If LD1 is illuminated during the check in step 1 but it does not illuminate when P1 and P24 are connected there is a malfunction of the main PCB d Check LD1 orange on the main PCB OK if illuminated Main PCB assembly 311H 3 Ifthe Y feed moves slightly and E210 is displayed there is a malfunction of the encoder a Check that connector P18 Y ENC is inserted into the main PCB and that the color matches b Check the encoder input while referring to 3 7 Input checking method Pulse motor Y assembly Main PCB assembly 311H 4 Ifthe Y feed does not move and E210 is displayed there is a malfunction of the pulse motor and cord P22 YPM a Disconnect the main PCB conn
36. Power PCB 0838D Sewing operation Problem Connector No and position The power indicator is not illuminated and nothing operates Machine operation is unstable Motor PCB supply switch Panel PCB Power PCB 2942B The main shaft motor does not operate correctly er Main PCB Error E130 is displayed Motor PCB 2943B 119 BAS 311H 10 ELECTRIC MECHANISM Others Panel indication is strange The power indicator is not illuminated Any operation panel key does not have any effect Problems Connector No and position Motor PCB Panel PCB 2944B The sewing machine does not operate when the foot switch is depressed No error displayed Main PCB Motor PCB 3424B Error E055 is displayed after the power is turned on Main PCB P14 HEAD _SW 2946B Error E452 is displayed after the power is turned on Main PCB P16 HEADMEM 2947B The machine does not start up with the brother display appearing Motor PCB 2948B BAS 311H Continued on next page 120 10 ELECTRIC MECHANISM Problems Connector No and position Only the power indicator illuminates Nothing appears on the operation panel display Manned P1 POWER2 Power PCB 2949B The sewing machine does not operate when the foot switch is depressed Mor PCB RE Error E130 is displayed POWER2 P3 DRIVE2 0848
37. Version updating did not complete normally Turn off the power and then repeat the version update procedure Communication error detected between the main P C board and the panel P C board E882 Turn off the power and then check that connector P1 on the panel P C board connector P5 on the main P C board and connectors P2 and P3 on the motor P C board are properly inserted No control program is present on the SD card E883 Check that the control program has been saved into the correct folder E884 There is a problem with the control program Save the correct file onto the SD card E885 E887 Version updating could not be carried out Turn off the power and then turn it back on again If an error code that is not listed above appears or if carrying out the specified remedy does not solve the problem contact the place of purchase 147 BAS 311H 12 TROUBLESHOOTING 12 TROUBLESHOOTING Please check the following points before calling for repairs or service f the following remedies do not fix the problem turn off the power switch and consult a qualified technician or the place of purchase CAUTION Turn off the power switch and disconnect the power cord before carrying out these operations The machine may operate if the foot switch is depressed by mistake which could result in injury Problem Cause Remedy Reference Sewing machine does not start when the power
38. X5 DP X 17 Center of the needle Rotary hook 3059B 0135Q 3361B 1 Turn the pulley 1 in the direction of the arrow to raise the needle bar from the lowest position until the lowest reference line on the needle bar reference line B is aligned with the lower edge of the needle bar bush 2 If using a DP x 5 needle align with reference line b which is the second reference line from the top 2 Loosen the bolt 3 3 Move the driver 4 sideways so that the rotary hook tip is aligned with the middle of the needle and then move the driver 4 back and forth so that it is touching the needle Then tighten the bolt 3 NOTE If the driver 4 crosses the needle more than necessary it will cause problems with the thread tension Furthermore if it does not cross the needle skipped stitches or needle breakages may occur BAS 311H 88 8 ADJUSTMENT 8 7 Adjusting the needle clearance 0 01 to 0 08 mm for medium weight and heavy weight material lt 3 specifications ff an 0 1 to 0 2 mm 8 for seatbelt specifications 3059B 0138Q 3378B Turn the pulley 1 in the direction of the arrow to align the tip of the rotary hook with the center of the needle and then loosen the set screw 2 and turn the eccentric shaft 3 to adjust so that the clearance between the needle and the rotary hook is 0 01 to 0 08 mm 8 8 Adjusting the shuttle race thread guide ZARZA 3574Q
39. Y SCALE 3205B 5 Confirm the movement amount Press the ENTER key The amount of parallel movement in the horizontal J direction will be confirmed and the menu display will ENTER change to illuminated 2414B Continued on next page 35 BAS 311H 4 X AND Y PARALLEL MOVEMENT OF SEWING PATTERNS 6 Press the SELECT key so that the Y SCALE indicator X scale Y scale flashes Parallel movement mode Parallel movement mode M X x X x SELECT A X SCALE O ate X SCALE o fY Y scaLe TY Y ScALE l EA When the SELECT key is pressed the X SCALE indicator and the Y SCALE indicator will flash 2649B alternately 7 Each time the A or W key is pressed the work clamp will ef Y Y SCALE o amp sPEED move by 0 05 mm In Y scale parallel movement mode the work clamp will move forward when the A key is pressed and backward when the W key is pressed The movement units change in accordance with the movement distance 0 9 95 mm Increments of 0 05 mm 10 0 100 mm Increments of 0 1 mm 3206B 8 Confirm the movement amount Press the ENTER key The amount of parallel movement in the vertical direction will be confirmed and the menu display will ENTER change to illuminated 2414B 9 Exit parallel movement mode Press the TEST key The display will return to the normal display and the O Lam sewing machine will change to home position standby TEST If you would like to return to step
40. amp sPEED gt TENSION opn THREAD CLAMP o DBE counter O SPLITNo oO N WIPER 2595B EA i 1 2 Refer to the CD Instruction Manual Software version display function 2599B 2596B ES BD o Refer to 3 9 Confirming software version Error log display function Lio Refer to 3 6 Error history checking method 2600B Input check function 2597B Refer to 3 7 Input checking method Home position adjusting mode 2601B me 7 j Th 2 Refer to 8 22 Adjusting the home position Output check function 2598B Lie Refer to 3 8 Output checking method Treadle position adjustment mode RIR o 5 7 2 Refer to 8 25 Setting method for standard depression strokes Foot switch 2602B BAS 311H 3 FUNCTION SETTINGS 9 Motor standard position adjustment mode 2603B 44 Protect setting mode 2605B o ON A 2 Test O om 2 Refer to 8 23 Adjusting the motor standard position Refer to 3 10 Protection settings 10 Needle up stop position adjustment mode 3194B 42 Version update 2606B 5 TEA ON O on OE 3 ON 6 me TEST 2 2 7 Refer to 8 24 Adjusting the needle up stop position Refer to 5 13 Updating the control program version
41. amp sPeEeD O IPE counter X SCALE O 4 SPLIT No oO NY WIPER v SELECT 3199B 2 3 4 When returning to normal operation turn power off and then on again While pressing the A key 1 turn on the power switch The item number will appear in the PROGRAM No display 2 the item name will appear in the tension display 3 and the input status will appear in the menu display 4 Press the A key 1 or the V key 5 to select the desired item number Refer to the input check list to check the key and sensor responses lt Input check list gt Item No Item name Input status Check items and checking methods orx on oFF X feed motor home position sensor position Move the work clamp manually in the X direction Right ON Left OFF Enx Lory 999 999 on L oFF X feed motor encoder counter value Move the work clamp manually in the X direction Right down Left up When the power is turned on the position will be 0 Y feed motor home position sensor position Move the work clamp manually in the Y direction Back ON Forward OFF EnY 999 999 Y feed motor encoder counter value Move the work clamp manually in the Y direction Back down Forward up When the power is turned on the position will be 0 BAS 311H 26 3 FUNCTION SETTINGS
42. and then stops Home position detection is not carried out 1 Moves via the center of the sewing area to the sewing start position 270 0 3 when start switch is depressed and then stops 0 None Home position detection is carried out 2 Moves to sewing start position after home position detection when start switch is depressed and then stops Home position detection is not carried out 3 If the program has changed moves to the next sewing start position and then stops 15 BAS 311H 3 FUNCTION SETTINGS Panel operation settings No Setting Settings Setting details nine oe range value limits Counting method for production counter and lower thread counter 0 Counted for each item of sewing data 352 0 2 1 Counted for each thread trimming operation 0 None 2 Counted when sewing data ends or when split stops Counter timing for lower thread counter 353 ON OFF OFF Counted at the end of sewing OFF None ON Counted at the start of sewing Switching program numbers using an external switch 0 Disable 354 0 9 Program number is switched by means of the 5 bits of option input 0 None 4 9 EXIN6 EXIN10 Applicable numbers are Setting number 3rd digit last two digits can be 1 31 Switches split numbers using an external switch OFF Disable 355 ON OFF Split number is switched by means of the 5 bits of option input OFF None EXIN6 EXIN10 Applicable nu
43. capacitors may have a high voltage remaining in them for up to 5 minutes after the power is turned off To prevent electric shock wait at least 5 minutes after the power is turned off before doing the following Opening and closing the control box Replacing fuses Separating and joining connectors Measuring resistance Doing anything with a possibility of touching something inside the control box Some adjustments require measuring the voltage while the power is turned on with the control box kept open In such a case be careful no to touch any place other than that for the measurement In addition always keep in mind that a high voltage remains for about 5 minutes after power is turned off Injury When separating or rejoining connectors and measuring something be careful not to cut your fingers on metal parts such as heat sinks and covers 113 BAS 311H 10 ELECTRIC MECHANISM 10 2 Components inside and outside the control box and in the operation panel Main PCB Secured to the rear This PCB drives the pulse motor and solenoids Motor PCB Secured to the side This PCB drives the main shaft motor There are two fuses on this PCB Power PCB Secured to the base This PCB generates the voltages which are required for control operations Conversion transformer box 100V 110V 380V 400V AC specifications only Steps down the power supply voltage and generates the voltage that are required for the control box NF box For Euro
44. extremely careful to observe all safety precautions Q If any safety devices have been removed be absolutely sure to re install them to their original positions and check that they operate correctly before using the machine Check that the machine head switch is turned on as shown in the illustration NOTE If the machine head switch is not turned on errors E050 E051 and E055 will be generated 8 2 Standard thread tension 8 ADJUSTMENT Seatbelt 071 Specifications Medium weight materials 03 Heavy weight materials 05 Upper thread 50 or similar 20 or similar 4 or similar Lower thread 50 or similar 20 or similar 4 or similar Upper thread tension N 0 8 1 2 1 4 1 8 1 2 2 0 Lower thread tension N 0 2 0 3 1 0 1 5 Pre tension N 0 1 0 3 0 1 0 6 0 3 0 6 Needle DP x 5 16 DP x 17 19 DP x 17 25 Normal sewing speed 2 000 sti min 2 000 sti min 1 300 sti min 8 2 1 Upper and lower thread tension 3317B 3318B BAS 311H 86 8 ADJUSTMENT 8 3 Thread take up spring Specifications Medium weight materials 03 Heavy weight materials 05I Seatbelt 07 Thread take up spring height 7 10 2 4 mm Thread take up spring tension 02 05 06 12 1 0 1 4 N lt Thread take up spring height gt Loosen the set screw 1 and turn the adjuster to adjust 3365B lt Thr
45. function so be sure to refer to the trouble symptoms in other sections too Feed mechanism Trouble symptom Connector No and position The work clamp operates for a moment but the home position is not detected correctly Main EGB od P17 P18 P8 Error E200 or E210 is displayed SENSOR1 position sensor 3422B Problem with movement in the forward back Y direction Error E210 E211 E214 E215 or E216 is displayed 2934B Problem with movement in the sideways X direction Error E200 E201 E204 E205 or E206 is displyaed 2935B The feed motor does not operate for home position detection immediaterly after the power is turned on Error E300 is displayed Power PCB 2936B Work clamp mechanism Problem Connector No and position The work clamp pulse motor rotates but the home position is not detected correctly Main PCB Error E300 is displayed P_ENC SENSOR1 position sensor 3423B The work clamp pulse motor does not rotate correctly Error E300 or E301 is displayed Work clamp pulse motor 2938B BAS 311H 118 10 ELECTRIC MECHANISM Thread trimming mechanism Problem Thread trimming does not operate No error displayed Connector No and position Main PCB Thread trimmer solenoid 2939B Tension release solenoid does not operate No error displayed Tension release solenoid
46. is Machine head switch does not Check if the machine head switch cord is disconnected CD Instruction manual Adjust the position of the machine CD Instruction Work clamp Pneumatic work clamp specifications only Thread wiper does not turned on and the foot work head switch es switch is depressed If the machine head switch is malfunctioning replace it with a new one Air cock is closed Open the air cock P 98 Work clamp does not work Air pressure is too weak Adjust the regulator so that the air P98 pressure is about 0 5 MPa Speed controller has been tightened too far Thread wiper setting is OFF Adjust the speed controller by loosening it 4 turns from the fully tightened position Set the thread wiper setting to ON CD Instruction manual CD Instruction Pneumatic work clamp specifications only Work clamp pressure is not uniform at front and back of work clamp Work clamp is tilted work manual Work clamp arm lever position is incorrect Adjust the position of the wok clamp P 98 Pneumatic work clamp arm lever i Work clamp dose not rise specifications to the maximum height Work clamp arm assembly stopper position is incorrect Adjust the position of the work clamp Motor driven work clamp arm assembly stopper specifications Work clamp pressure is too weak Air pressure is too weak Adjust the regulator so that the air P 98 pressure is
47. not illuminate 1 9 d Power indicator on panel does not illuminate 1 10 2 Malfunction of power cord 2712B Turn off the power switch and disconnect the power supply connector which links the power cord for the power switch and the motor PCB turn on the power switch and then measure the voltage between terminals 1 and 3 of the cord side connector OK if the voltage is the same as mains voltage In addition check that the power supply voltage at the wall outlet is within the range of the specification voltage 10 After inspecting turn off the power switch and connect the power supply connector 3 Blown fuse Turn off the power switch wait for five minutes or more and then remove fuses F1 and F2 from the motor PCB and check the continuity OK if there is continuity GFUSE10A 250V 10A 250V 4 Malfunction of motor PCB 1 5 Malfunction of power PCB Turn off the power switch and remove P2 DCIN from the power PCB turn the power back on and then check LD2 red on the motor PCB OK if illuminated After checking turn off the power switch wait for five minutes or more and then insert P2 into the power PCB Turn the power back on and then with P2 inserted into the power PCB check the voltage between terminals 1 and 3 of P2 OK if 240 to 380V DC Turn off the power switch and disconnect connector P1 POWER2 from the main PCB and connectors P4 POWER3 and P6
48. not illuminate when P1 and P24 are connected there is a malfunction of the main PCB d Check LD1 orange on the main PCB OK if illuminated Main PCB assembly 311H If the work clamp pulse motor moves slightly and E300 is displayed there is a malfunction of the encoder a Check that connector P19 P ENC is inserted into the main PCB and that the color matches b Check the encoder input while referring to 3 7 Input checking method Pulse motor P assembly Main PCB assembly 311H If the work clamp pulse motor does not move and E300 is displayed there is a malfunction of the pulse motor and cord P23 PPM a Disconnect the main PCB connector P23 PPM and measure the resistance between pins 1 2 and 3 4 of the cord connector OK if 2 3 ohms b If step a above is OK there is a malfunction of the main PCB Pulse motor P assembly Main PCB assembly 311H BAS 311H 134 10 ELECTRIC MECHANISM Probable causes 1 Incorrect work clamp home position adjustment 2 Incorrect mechanism adjustment Check repair adjust 8 22 Adjusting the home position b Check if the work clamp button clamp is touching anything Error status 9 Work clamp does not rise Parts to be replaced a Adjust the home position while referring to Check if the work clamp arm moves smoothly Work clamp arm assembly Error status 10 Work clamp does n
49. of 2 BAS 311H 20 3 FUNCTION SETTINGS TTT Maintenance settings No Setting Settings Setting details anial Peai range value limits Run in operation mode 0 Disable Continuous operation one work clamp up down operation per cycle 1 occurs while the start switch remains on Not raised and lowered when memory switch No 001 is set to OFF 750 0 3 Continuous operation two work clamp up down operations per 0 None 2 cycle occurs while the start switch remains on Not raised and lowered when memory switch No 001 is set to OFF Continuous operation three work clamp up down operations per 3 cycle occurs while the start switch remains on Not raised and lowered when memory switch No 001 is set to OFF Run in operation stop time 751 0 3000 200 None Units ms Increments of 10 Sewing machine ID code Sewing data specified on SD card 752 0 99 0 None Folder specified 21 BAS 311H 3 FUNCTION SETTINGS Specification and destination settings No Setting Settings Setting details Initial Seiko range value limits Specification code setting Not reset during initialization 3 3 Medium weight material specifications 850 3 5 7 7 P ae None 5 5 Heavy weight material specifications 7 7 Seatbelt specifications Unique settings for each model No Setting Settings Setting details we Spacia range value limits Program number output D
50. pedal is depressed The start switch right lowers the right work clamp and starts the sewing machine None Pneumatic Pneumatic 11 BAS 311H 3 FUNCTION SETTINGS o UUU EY Upper shaft motor settings No Setting Settings Settings details nigal Spo range value limits Highest needle position stop When set to ON memory switch Nos 165 and 166 can be set OFF When the upper shaft motor stops the motor operation reverse to 150 ON OFF return the needle bar close to its highest position OFF None When the motor operates in reverse to raise the needle the thread ON take up will stop at a position which is lower than its normal stopping position As a result the thread take up will rise slightly at the sewing start and this may result in the thread pulling out under certain conditions 1st stitch sewing speed at the sewing start 151 500 2800 pense eee wg 400 None 1 Units sti min Increments of 100 192 200 2800 2nd stitch Seng pane at the sewing start 800 None 1 Units sti min Increments of 100 3rd stitch sewing speed at the sewing start 153 200 2800 i wi g ps wing 1200 None 1 Units sti min Increments of 100 4th stitch sewing speed at the sewing start 154 200 2800 ae 9 2800 None 1 Units sti min Increments of 100 5th stitch sewing speed at the sewing start ad 200 2800 5 g ps 3 2800 None 1 Units sti min Increments of 100
51. possible for foot switch specifications for two pedal foot switch specifications operation is the same as for a 003 0 2 2 step work clamp 2 Solenoid 1 step work clamp Work clamp is lowered when pedal is depressed 1 to the 1st step and sewing starts when pedal is depressed to the 2nd step 2 step work clamp Work clamp is lowered to intermediate height 2 when pedal is depressed to the 1st step and work clamp is fully lowered and sewing starts when the pedal is depressed to the 2nd step Slow start method OFF The sewing speed for the first 5 stitches will be in accordance with OFF 100 ON OFF the setting for memory switch Nos 151 to 155 The sewing speed for the first 5 stitches can be selected from the None ON nine slow start patterns Lo1 to Lo9 Refer to the CD Instruction Lo4 Manual Single stitch test feed OFF Test feed starts when the foot switch start switch is depressed and it continues automatically until the final stitch 200 ON OFF Test feed starts when the foot switch start switch is depressed and OFF None it moves forward by one stitch each time the switch is depressed ON In addition when the TEST indicator is flashing test feed will move forward one stitch at a time when the machine pulley is turned by hand Production counter display 300 ON OFF OFF Lower thread counter display OFF None ON Production counter display Sewing condition detail settings 400 ON OFF OFF Parameters which are common to all pr
52. power and then check that connector P14 on the main P C board is properly connected Problem with the lower thread detector E970 Turn off the power and then check the lower thread detector BAS 311H 146 11 LIST OF ERROR CODES P C board related errors Code Cause of error and remedy Abnormal rise in power supply voltage E700 Turn off the power and then check the input voltage E701 Abnormal rise in upper shaft motor drive voltage Turn off the power and then check the voltage E705 Abnormal drop in power supply voltage Turn off the power and then check the input voltage Abnormal current detected in upper shaft motor E710 Turn off the power and then check if there are any problems with the sewing machine Turn off the power and then check that connectors P11 and P1 on the motor P C board connector P6 on the main P C board and connector P4 on the upper shaft motor P C board are properly inserted E711 Abnormal current detected in pulse motor Turn off the power and then check if there are any problems with the work clamp operation E730 External error input AIRSW detected Turn off the power and then check the air pressure Version updating related errors Code Cause of error and remedy No control program is present E870 Install the control program E880 Version update requests cannot be received Turn off the power and then turn it back on again E881
53. switch is set Can be set when memory switch No 70 is set to 2 Not displayed at other times Not reset during initialization Standard Work clamp lifts automatically and drops when the work clamp 1 switch is depressed None The left and right order can be changed using memory switch No 002 2 No automatic work clamp lifting N Work clamp lifts while work clamp switch is being depressed one Left right work clamp intermittent presser foot 2 step work clamp When work clamp switch is depressed to the 1st step both the left 3 and right work clamps are lowered and when it is depressed to the Pneumatic 2nd step the intermittent presser foot is lowered Lifting is in the same order Left and right alternating 2 step work clamp 4 2 step operation with left and right order switching for each item P ti 072 1 7 sewn 1 NGEMA Starts from right Forward reverse pedal When the start switch is depressed the work clamp drops and the sewing machine starts in that order with forward control and when 5 the work clamp switch is depressed the sewing machine reverses Pneumatic and the work clamp lifts The left and right order can be changed using memory switch No 002 2 step work clamp using two presses When the work clamp switch is depressed the left work clamp drops 6 Right work clamp drops Both work clamps lift in that order Pneumatic The left and right order can be changed using memory switch No 002 Work clamp dro
54. the 2414B parameter changes 5 Repeat steps 2 to 4 above to set each memory switch 6 Exit setting mode Press the TEST key e ham The changes will be memorized and the sewing TEST machine will switch to home position detection standby TEST indicator switches off 24048 BAS 311H 6 3 FUNCTION SETTINGS 3 4 List of memory switches No Setting Settings Setting details Initial acme range value limits Work clamp lift timing after sewing is completed 0 Work clamp is not raised automatically Work clamp is raised at the final stitch position 001 0 2 1 Disabled when memory switch No 71 is set to 2 or when 2 None memory switch No 72 is set to 2 Work clamp is raised after moving to the home position 2 Disabled when memory switch No 71 is set to 2 or when memory switch No 72 is set to 2 Work clamp lowering sequence for separate work clamp Pneumatic work clamp specifications only 002 0 2 0 Left and right work clamps are lowered at the same time 0 Pneumatic 1 Work clamp is lowered in the order left right 2 Work clamp is lowered in the order right left Work clamp lowering operation Motor driven work clamp specifications only Analog lowering Work clamp is lowered in direct proportion to the pedal depression amount and sewing starts when the pedal is fully 0 depressed This operation is only
55. the machine head The sewing machine may become unbalanced and fall down and serious injury or damage to the sewing machine may result If the power switch needs to be left on when carrying out some adjustment be extremely careful to observe all safety precautions When replacing parts and installing optional accessories be sure to use only genuine Brother parts Brother will not be held responsible for any accidents or problems resulting from the use of non genuine parts If any safety devices have been removed be absolutely sure to re install them to their original positions and check that they operate correctly before using the machine To prevent accidents and problems do not modify the machine yourself Brother will not be held responsible for any accidents or problems resulting from modifications made to the machine 3 _ Warning labels The following warning labels appear on the sewing machine Please follow the instructions on the labels at all times when using the machine If the labels have been removed or are difficult to read please contact your nearest Brother dealer Hazardous voltage will cause injury Turn off main switch and wait 5minutes before opening this cover BReERBRIISNT KHE ATED AIR Fe EAB SS BLAS th EMEY SPE OTHOAN BISF TCE AVERSA BARES Hochspannung verletzungsgefahr Un voltage non adapte provoque Un voltaje inadecuado puede Bitte schalten sie den hauptschalter des blessures Et
56. the machine operates Probable causes 1 If E111 E130 E131 E132 or E133 is displayed after the sewing machine operates there is a poor connection of the synchronizer 2 If E111 E130 E131 E132 or E133 is displayed after the sewing machine operates there is a poor connection of the upper shaft motor Check repair adjust Check that connections P11 RESOLVER and P1 MT ENC of the motor PCB and connector P6 MT ENC of the main PCB are inserted Check the connection of the relay connector between the upper shaft motor and the motor PCB Parts to be replaced 3 If E111 E130 E131 E132 or E133 is displayed after the sewing machine operates interference is causing operating errors Check that the ground wire is securely connected and that the sewing machine is not close to any equipment that generates strong electrical interference 4 If E111 E130 E131 E132 or E133 is displayed after the sewing machine operates there is a malfunction of the motor PCB Refer to steps 1 to 4 in 5 Resolver stator assembly Motor PCB assembly 5 If E111 E130 E131 E132 or E133 is displayed after the sewing machine operates there is a malfunction of the motor PCB or of the upper shaft motor If an error occurs after inspection steps 1 to 4
57. the power switch All indicators switch off EJ PROGRAM No A mm il f oO brother HEE a l a V a SELECT OYCAUTION S SECTION no o X x Scate E oly yscate The memory switch number will be displayed in the RESET o sree F PROGRAM No display and the setting value for that number will be displayed in the menu display Tension O l BE counter F BE E oO wireR Le 3196B 2616B 2 Select the memory switch that you would like Press the A or V key to select the memory switch to change the setting for number si al Y 3210B If you would like to display only the numbers of While pressing the SELECT key press the A or V key memory switches that have been changed from 1 default settings The numbers of memory switches that have been changed from default settings will appear in order EJ PROGRAM No cr SELECT 2423B 3 Change the memory switch setting Press the A or W key to change the setting value Ean The flashing display means that the setting has not yet To been applied brother mal LI Lt You can make the initial setting appear in the display by pressing the RESET key DI CAUTION S SECTION Ne pa X X SCALE Fit NN FA EE vee 3197B 4 Apply the changed setting Press the ENTER key The menu display will change from flashing to illuminated and this means that the parameter setting J has been applied ENTER If you press the A or V key 1 or the TEST key without pressing the ENTER key you can cancel
58. tighten the set screw 8 3 Lastly tighten the two set screws 9 ee Index mark 8 3367B BAS 311H 62 7 ASSEMBLY 19 20 21 22 23 24 25 26 27 Inside hole Apply adhesive Threebond 1324N or similar to the outer bearing surface of the ball bushing 19 Ball bushing Bolts 2 pcs Work clamp lifter plate assembly Slide block Work clamp lifter lever Work clamp lever shaft B Plain washer Retaining ring E Set screws 2 pcs 28 Link shoulder screw 29 Rubber cap 3269B Place the slide block 22 onto the pin of the work clamp Align the set screws 27 with the screw stops and then lifter lever 23 tighten them so that there is no play in the work clamp lifter While aligning the slide block 22 with the groove in the lever 23 Check that the work clamp lifter lever 23 work clamp lifter plate assembly 21 pass the work clamp moves smoothly lever shaft B 24 through the work clamp lifter lever 23 NOTE When the work clamp lifter plate assembly 21 is lowered the slide block 22 moves away so hold the work clamp lifter plate assembly 21 in place until the link shoulder screw 28 is tightened 3328B 63 BAS 311H 7 ASSEMBLY 3330B 3331B Index mark 36 1 4 1 Set so that the clearance between the work clamp pulse motor P assembly 30 and the work clamp driving gear 31 is 6 2 mm when the scr
59. work clamp home position detection is carried out such as when the work clamp switch has not been depressed at all after the power was turned on even when memory switch No 056 is set to ON 9 BAS 311H 3 FUNCTION SETTINGS Pedal type and work clamp operation settings No Setting Settings Settings details nial pone range value limits Pedal specifications Not reset during initialization Foot switch 1 Memory switch No 71 can be set and memory switch Nos 72 and 1 73 are not displayed Solenoid 070 1 3 Two pedal foot switch 2 None 2 Memory switch No 72 can be set and memory switch Nos 71 and Pneumatic 73 are not displayed Three pedal foot switch 3 Memory switch No 73 can be set and memory switch Nos 71 and 72 are not displayed Work clamp operation when foot switch is set Can be set when memory switch No 70 is set to 1 Not displayed at other times Not reset during initialization 1 Standard None 2 No automatic work clamp lifting N 071 1 3 Work clamp lifts when pedal is depressed backward 1 one 2 step work clamp using two presses When work clamp switch is depressed 1st step Drop 2nd step 3 Drop skipped for single step work clamp Start Solenoid When depressed backward Both work clamps lift Operates as a 2 step work clamp when memory switch No 003 is set to 0 Work clamp operation when two pedal foot
60. 1 6 MECHANICAL DESCRIPTIONS 49 2 NOTES ON HANDLING r ssererrrresrseeen 2 6 1 Needle bar and thread take up 3 FUNCTION SETTINGS Det sR hed LON ie 3 mechanisms in a ura acu S a alk ale latoje TNTA T weal 49 6 2 Lower shaft and shuttle race 3 1 List of special functions when power is MECH ANISH iS ecsees sees E E ete ctncnnvenes 49 turned 0 a Reece 3 6 3 Work clamp lifter mechanism Motor driven 3 2 List of advanced functions ttt 5 work acme DaI AS m el a T 50 3 3 Setting memory switches Advanced 6 6 4 Work clamp lifter mechanism Pneumatic 3 4 List of memory switches SAEI EAERLESEP TRENES EENAA eee 7 work clamp specifications siege wee abe deen sea keeee 51 3 5 Setting the work clamp mode te 23 6 5 Intermittent presser foot lifter 3 6 Error history checking method TOELAE 25 mechanism AI LT ATTAT 51 3 7 Input checking method eee 26 6 6 Intermittent presser foot stroke mechanism A ATAT TETA TTT 52 3 8 Output checking method sires 29 6 7 Feed mechanism eee eetere eetere 53 9 fi j ftw Te a ELETTA TT 1 N ee es een gt 6 8 Thread trimmer mechanism 1 77 54 3 10 Protection settings POE AEE 32 PE E T E OR 55 4 X AND Y PARALLEL MOVEMENT OF l 6 10 Thread wiper mechanismes essennnnns 55 SEWING PATTERNS 1 11111 1 35 AEE Nae ee lt 6 5 USING SD CARD vrrsrsssssseeeeseeeeeeessnnnenes 37 ET NA Sian E EEA e 5 1 Notes on handling SD cards commercially 7 2 Needle bar mechanism r ri p En aa 58 availab
61. 275 101 to the grooves 3284B BAS 311H 7 ASSEMBLY 7 2 Needle bar mechanism Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows Set so that this hole faces upward and then push in gently while tightening the set screws 14 to install We Inside hole f AR o Fit the chamfering side of the slide block 17 into the groove on the slide block guide 1 Do not remove the slide block guide 1 if possible to prevent the machine from overheating due to needle bar rubbing Set so that the lubrication hole is at the top After securing the needle bar position the slide block guide 1 so that the machine pulley turns smoothly and then tighten the bolts 2 Slide block guide Set screw 10 3339B While gently pushing the needle bar crank 6 in the shaft direction align the set screw with the screw stop and then tighten the set screw indicated by the arrow Needle bar connecting rod 2 Bolts 2 pcs Temporarily 11 Screw tighten 12 Thread take up support 3 Washer 13 Thread take up support shaft assembly 4 Thread take up lever assembly 14 Set screws 2 pcs 5 Needle bearing 15 Rubber caps 2 pcs 6 Needle bar crank 16 Rubber cap 7 Set screws 2 pcs 17 Slide block 8 9 Needle bearing BAS 311H 58 7 ASSEMBLY 21 18 19 20 i 21 19 Inside hole 18 20 Cut s
62. 3059B 5 2 3355Q 3350B Reverse position position where driving lever is at its lowest point 3351Q 3352B 1 Open the top cover and tilt back the machine head 2 Turn the pulley 1 in the direction of the arrow to move the needle bar to its lowest position 3 Loosen the nut 2 tighten the set screw 5 until the collar 3 touches the inside of the groove in the thread trimmer cam 4 and then loosen the set screw 5 by approximately 1 4 of a turn 4 Tighten the nut 2 and then check that the collar 3 is not touching the inside of the groove in the thread trimmer cam 4 In addition push the driving lever 6 by hand toward the thread trimmer cam 4 until the collar 3 touches the groove of the thread trimmer cam 4 and then check that the driving lever 6 returns smoothly to its original position when it is released 5 Turn the pulley 1 in the direction of the arrow to move the needle bar to its lowest position and push the thread trimming solenoid 7 as far as it will go 6 With the collar 3 inserted into the groove of the thread trimmer cam 4 turn the pulley 1 by hand to set the driving lever 6 to the reverse position and so that the driving lever 6 is at its lowest point when the thread take up 8 is close to its lowest position BAS 311H 90 8 ADJUSTMENT 3354B 3353B 3356B 7 Loosen the two screws 9 and then remove the cover 10 8
63. 3198B 1 25 While pressing the W key 1 turn on the power switch The error history sequence number will be displayed in the PROGRAM No display 2 and the error code will be displayed in the menu display 3 NOTE E025 E035 E065 E705 and error codes which can be reset do not remain in the error history and so they will not be displayed Press the A or V key 4 to change the order of the error history number The history stores 99 entries 01 to 99 in order starting from the most recent No 01 is the most recent entry If there are no error codes E will be displayed The production counter when the error occurred will appear in the PROGRAM No display 2 and the menu display 3 in units of 100 stitches while the A key 6 is being pressed Press the TEST key 5 to return to the normal display The sewing machine will switch to home position detection standby BAS 311H 3 FUNCTION SETTINGS 3 7 Input checking method This is used at the following times When you would like to check for problems with the operation panel When you would like to check for broken cords When you would like to adjust a sensor position This lets you check if the CPU is reading signals from the keys and the sensors correctly 3 OY CAUTION 2 SECTION No gt lt TENSION XN aE eal THREAD CLAMP O a TENSION 1 5 4 pam yan X e _ O Y Y SCALE o
64. 4 The initial value displayed is ALL peu S SECTION No mi o X xscale E eS RESET iil Ji oc amp speep J TENSION 7 BE counter F3 a Le LC H o X wrer Fa amm or m 3098B 2 J TENSION Press the or key to select the number for the additional sewing data that you would like to be read ALL 100 to 999 When ALL is displayed all of the additional sewing data will be read at once Only the data in the SD card folder corresponding to For example if the additional sewing data the additional sewing data number will be displayed to be read is for program No 100 If there is not a single item of data in the folder eae will be displayed 3099B 3 Press the ENTER key YE PROGRAM No _ ENTER 2414B The buzzer will sound and the selected additional While reading sewing data will be read from the SD card and copied into the sewing machine s internal memory gt TENSION The number for the additional sewing If no additional sewing data exists an error buzzer will mm data number which is currently being sound til H read will appear in the tension value a display 2657B 3100B 4 When the display returns to the status in step 1 reading WE PROGRAM No of the additional sewing data is complete T H If you would like to use any other read write modes press the A or V key to select the mode and then run it 3101B 5 Exit read write mode Press the TEST key 5 TEST TEST indicator switches
65. 6 5 USING SD CARD 5 12 w 9 Writing error log data and memory switch log data to an SD card 47 1 Select the w9 SD data read write mode QE PROGRAM No TE Lt l 2673B 2 Press the ENTER key EJ PROGRAM No LI J 4 LI I ENTER 2414B The buzzer will sound and the error log data and While writing memory switch log data will be copied to the SD card gt TENSION LoG appears in the tension display while log data is being written 2674B 2675B 3 When the display returns to the status in step 1 writing of wy PROGRAM No the log data is complete g If you would like to use any other read write modes press the A or V key to select the mode and then run it 2673B 4 Exit read write mode Press the TEST key fo J TEST indicator switches off 2404B BAS 311H 5 USING SD CARD 5 13 Updating the control program version 1 Place the control program that you would like to update into the folder of the SD card as specified in 5 2 2 With the power switch turned off insert the SD card into the SD card slot 3 While holding down the RESET TEST and A keys turn PROGRAM No on the power switch l LUC ad a fa STEP ora EHEs La RESET Dy fe J S x fey a 2 SECTION No O amp XSCALE F1 TEST O TY Y SCALE a fa F2 o amp SPEED 3209B TENSION O COU
66. 6 5mm 4 3 5156Q 4689Q 1 Loosen the nut 4 and turn the bolt 2 to adjust so that the distance between the tip of the bolt 2 and the solenoid setting plate 3 is 16 5 mm when the plunger of the tension release solenoid 1 is pushed in as far as it will go 2 Check that the tension disc opening amount is 1 0 1 5 mm when the tension release solenoid 1 is installed to the arm and the plunger is pushed with a screwdriver or similar tool through the hole in the solenoid cover BAS 311H 100 8 ADJUSTMENT 8 21 Adjusting the backlash of the lower shaft gear 1 Gently tilt back the machine head 2 Remove the ten screws 1 and remove the oil cover 2 x When the oil cover is removed oil will drip out from it so it is recommended that you place a rag or similar over the table to catch the oil that drips 3346B 0 05 0 15 mm 3347B 3348B oO Loosen the three set screws 3 4 Loosen the set screw 4 and turn the pulley while moving the rock gear 5 back and forth At the position where the pulley moves freely place set screw collar R 6 against the edge of the bed and tighten the set screw 4 5 Turn the rock gear shaft 7 to adjust the play at the end of the driver 8 to 0 05 0 15 mm and tighten the three set screws 3 101 BAS 311H 8 ADJUSTMENT 8 22 Adjusting the home position 8 22 1 Work clamp lift home position
67. 8 30 ing on oFF Option input INQ 31 i10 on oFF Option input IN10 32 i12 on oFF Option input IN12 BAS 311H 28 3 FUNCTION SETTINGS 3 8 Output checking method This is used at the following times When you would like to check for problems with the operation panel When you would like to check for a problem with the drive mechanism When you would like to check for broken cords You can check whether the signals being output by the CPU are driving the mechanisms correctly A RESET opna THREAD CLAMP N OI CAUTION 2 4 1 3 5 S SECTION No be O TY Y SCALE o amp sPEED TENSION O MEE counter paum oO SPLITNo oO NY WIPER O h TENSION SELECT 3200B 1 While pressing the V key 1 turn on the power switch The item number will appear in the PROGRAM No display 2 and the item name will appear in the menu display 3 2 Press the A key 4 or the V key 1 to select the desired item number 3 For item numbers 51 to 54 press the A or W key 5 to check the operation The operation for that check item will be carried out while the key is being pressed 4 For item numbers 55 onward depress the foot switch to the 2nd step For a two pedal foot switch depress the start switch The operation for that check item will be carried out while the foot switch is being
68. BAS 311H SERVICE MANUAL Please read this manual before making any adjustments DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER This service manual is intended for BAS 311H be sure to read the BAS 311H instruction manual before this manual Carefully read the SAFETY INSTRUCTIONS below and the whole of this manual to understand this product before you start maintenance As a result of research and improvements regarding this product some details of this manual may not be the same as those for the product you purchased If you have any questions regarding this product please contact a Brother dealer BAS 311H SAFETY INSTRUCTIONS 1 Safety indications and their meanings This service manual and the indications and symbols that are used on the machine itself are provided in order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people The meanings of these indications and symbols are given below Indications The instructions which follow this term indicate situations where failure to follow the A DANGER instructions will result in death or serious injury Q WARNING The instructions which follow this term indicate situations where failure to follow the instructions could result in death or serious injury CAUTION This instructions which follow this term indicate situations where failure to follow the instructions may result in minor or moderate injury
69. D Error E131 is displayed Motor PCB P11 RESOLVER Upper shaft motor 0849D Error E015 or E016 is displayed after the power is Main PCB turned on P9 HEAD STOP switch 0843D 121 BAS 311H 10 ELECTRIC MECHANISM 10 5 Troubleshooting 10 5 1 Troubleshooting flowchart Symbols and their meanings ae Switch operation Set up operation or condition Yes or no decision making The procedure to follow process continues on the next page The error status number in the first column of the table of Tuming off of the power switch 10 5 2 Problem solution and measures 2707B When the power is turned on Is the power lamp lit Does any error code appear on the display Press the SELECT key 2 or 3 times it lamp position vary each time the key is BAS 311H 122 10 ELECTRIC MECHANISM Turn on the power Note When the program you ordinarily use is not set the needle may hit the work clamp Set the program No you ordinarily use Depress the foot Note For a two pedal foot switch depress the start switch switch to the second position and release it When the work clamp does not move at all No error displayed o NO Is the work clamp moving to the sewing start position When the error code E130 Moving to E131 or E132 appears on the display the sewing start point When the e
70. JUSTMENT rssessseseeresseesteeseesseseeseees 85 10 ELECTRIC MECHANISM 113 8 1 Checking the machine head switch 7 85 10 1 Precautions at the time of adjustment 113 8 2 Standard thread tension 86 10 2 Components inside and outside the 8 2 1 Upper and lower thread tension 86 ee aa ia 8 3 Thread take up Springs terres 87 10 3 Fuse explanations 115 8 4 Arm thread guide R EE A LA ee 87 10 4 Desecration of SAAS COES 116 8 5 Adjusting the needle bar height 88 Ai Coneco phios keisha 116 fig pes E een anne 10 4 2 Symptoms when there are poor connections ILALA TAAT 118 8 7 Adjusting the needle clearance 89 10 5 Troubleshooting fae eat ote E ae dan EA 122 8 8 Adjusting the shuttle race thread guide 89 1056 1 Troubleshooting Howehart eet 422 ae roe nook Hbrcation anne alia 99 10 5 2 Problem solution and measures 126 a OO 11 LIST OF ERROR CODES 141 8 11 Adjusting the position of the movable 12 TROUBLESHOOTING ieee 148 knife ginean inn iana anaiai 90 13 7 SEGMENT DISPLAY LIST 152 8 12 Replacing the movable and fixed knives ACEO OLE REO EL CEE RC OOUO OEE E eT OCR O TCT 92 8 13 Installing the feed plate E ET A TET 93 8 14 Adjusting the thread wiper ovvveven s 94 8 15 Presser foot installation position 94 8 16 Adjusting the intermittent work clamp 95 8 17 Adjusting the work clamp lift amount 98 8 18 Adjusting the air pressure pneumatic work clamp
71. N N a foa oa O Z ojJnNj ojN N O T N N Memory switch setting Lowering operation Work clamp dropping in 1 step Work clamp dropping in 2 steps 23 Automatic work clamp lifting Enabled Enabled After home position detection Automatic lift After sewing start Automatic lift 071 057 Lowered Lowered Automatic lift Automatic lift Lowered Automatic lift Lowered Lowered Automatic lift Lowered BAS 311H 3 FUNCTION SETTINGS lt Pneumatic work clamp specifications two pedal foot switch standard operations gt Two pedal foot switch operation is set when memory switch No 070 is set to 2 Operating mode Memory switch setting After home After Work clamp operation position 057 sewing start detection Automatic Work clamp Automatic lift lowering sequence Work clamp lifts lift selection automatically and drops _ Lowered o eft and right when the work clamp switch is depressed Automatic simultaneously Lowered lift 1 Left Right Lowered 2 Right Left Work clamp rises while work clamp switch is depressed Lowered Lowered Automatic Work clamp switch Automatic lift 1st step Both left and right lift work clamp drop Lowered 2nd step Intermittent presser foot drops Lifting is simultaneous Automatic Lowered lift Lowered n Automatic Automatic
72. NS The work clamp can be moved to any desire position so that sewing patterns can be moved in parallel directions forward back or to the left or right Use this when you would like to correct the sewing position with respect to the intermittent work clamp 1 Press the A or V key to select the program number If a cycle program has been selected the following operation cannot be carried out Select a program from 1 to 999 2776B 2 While holding down the TEST key press the V key to switch to parallel movement mode E3 0 OLCAUTION S SECTION No ze x X SCALE F1 B o fy yscae The amount of parallel movement in the horizontal TJ o amp sre F2 direction which has currently been set will be displayed Ske TENSION o JBE counter F3 in the menu display in mm units re i sPuTno Ho X wrer Fal 3204B 2648B 3 Depress the foot switch to the 2nd step Home position detection will be carried out 2nd step The pattern number will change to illuminated 4441Q 4 Each time the A or W key is pressed the work clamp will move by 0 05 mm In X scale parallel movement mode the work clamp will move to the left when the A key is pressed and to the right when the W key is pressed The movement units change in accordance with the movement distance 0 9 95 mm Increments of 0 05 mm 10 0 99 9 mm Increments of 0 1 mm 100 Increments of 1 mm oO ty
73. NTER F3 O l SPLIT No The same bro ther 3 may vary depending on lt specifications and 311 as appear in the PROGRAM O N WIPER F4 No display menu display section No display and tension display will appear Keep holding down the keys 3226B until you hear a beep 4 1 Mn will appear in the PROGRAM No display and EJ PROGRAM No control program version stored on the SD card tm will appear in the menu display Leer 2678B 5 Press the A or V key to select the program to be EJ PROGRAM No updated 2 l l L Control program ee No Menu display Mian 1 Mn Ee Motor 2 Mt Panel 3 PL If there is no program to be updated which is stored on the SD card will appear in the menu display 3227B 6 Press the ENTER key YJ PROGRAM No ImL a LIIL ENTER 2414B The buzzer will sound and updating of the program gt TENSION WAIT will appear in the menu version will start display and the value in the When End appears in the menu display updating is tension display will increment complete while the program version is being as F updated To continue updating another program return to step 5 and select the next program to be updated 2680B 2681B 7 Turn off the power switch BAS 311H 48 6 MECHANICAL DESCRIPTIONS 6 MECHANICAL DESCRIPTIONS The mechanisms operate in the order of the given in the illustrations lt number gt indicates
74. POWER2 from the motor PCB and then turn on the power switch and check LD2 red on the power PCB OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 into the main PCB and P4 and P6 into the motor PCB Motor PCB assembly Power PCB assembly 127 BAS 311H Continued on next page 10 ELECTRIC MECHANISM Error status 1 Probable causes 6 Malfunction of main PCB The power indicator does not light when the power is turned on Check repair adjust Turn off the power switch and disconnect connectors P4 POWER3 and P6 POWER2 from the motor PCB and then turn on the power switch and check LD2 red on the power PCB OK if illuminated LD1 red on power PCB does not illuminate After checking turn off the power switch wait for one minute or more and then insert P4 and P6 into the motor PCB Parts to be replaced Main PCB assembly 311H 7 Malfunction of main PCB 2 Turn off the power switch and disconnect connector P1 POWER2 from the main PCB and connectors P1 MT ENC P2 MAIN and P3 PANEL from the motor PCB and then turn on the power switch and check LD2 red on the power PCB OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 into the main PCB and P1 P2 and P3 into the motor PCB Motor PCB assembly 8 Malfunction of panel PCB Turn off the power swit
75. Refer to step 4 in 6 there is a malfunction of the pulse b Ifthe uneven seams are due to insufficient motor or the mechanism is work clamp pressure adjust while referring incorrectly adjusted to 8 17 Adjusting the work clamp lift amount c If there is play in the feed mechanism adjust the feed mechanism BAS 311H 138 10 ELECTRIC MECHANISM Error status 19 The thread trimmer does not operate Probable causes 1 Incorrect memory switch setting Check repair adjust Set memory switch No 164 to OFF If it is set to ON thread trimming will not be carried out Parts to be replaced 2 Incorrect mechanism adjustment Adjust the thread trimmer mechanism while referring to 8 10 Adjusting the thread trimmer cam position If it seems that the thread trimming mechanism is not operating properly carry out steps 3 to 6 below 3 Poor connector connection Check that main PCB connector P2 SOL1 and P3 SOL2 is connected 4 Malfunction of thread trimmer solenoid SOL 1 Disconnect main PCB connector P2 SOL1 and measure the resistance between pins 3 6 of the cord connector OK if 6 8 ohms Thread trimmer solenoid assembly 5 Malfunction of tension solenoid SOL 2 2727B Disconnect main PCB connector P3 SOL2 and measure the resistance between pins 1 2 of the cord connector OK if 6 8 ohms Tension solenoid 6 Malfunction of main PCB
76. SE10A 250V 10A 250V Motor PCB assembly 4 If E130 E131 or E132 is displayed there is a malfunction of the motor PCB a Check the synchronizer input while referring to 3 7 Input checking method OK if the signal turns on and off b If step a above is OK there is a malfunction of the motor PCB Resolver stator 430 assembly Motor PCB assembly 131 BAS 311H 10 ELECTRIC MECHANISM Error status 6 Error code appears on the display when the foot switch is depressed 1 Probable causes If the X feed does not move and E200 is displayed there is a malfunction of the power PCB Check repair adjust Disconnect connectors P1 POWER2 and P24 POWER7 from the main PCB and then turn on the power switch and check LD1 red on the power PCB OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 and P24 into the main PCB Parts to be replaced Power PCB assembly 2 Ifthe X feed does not move and a Disconnect connector P24 POWER from Main PCB assembly 311H E200 is displayed there is a the main PCB and check the continuity malfunction of the main PCB between terminals 1 and 2 of P24 P24 OK if ohms POWER 1 b Disconnect connector P21 XPM from the main PCB and check the continuity between 2p e terminals 1 and 2 3 and 4 of P21 OK if co ohms c Insert P21
77. TOP key to release errors 0 None Press the RESET key or input a signal from the expansion input 2 switch EXIN3 to release errors Cannot be set when memory switch No 253 is set to 2 Needle up stop when operation is paused 0 Stops at the needle down position when sewing is interrupted by the STOP key 4 Stops at the needle up position when sewing is interrupted by the 651 0 2 STOP key 0 None Stops at the needle up position after thread trimming when sewing is 2 interrupted by the STOP key Thread trimming cannot be set when memory switch No 652 is set to 0 Thread trimming operation prevention when sewing is paused 652 ON OFF OFF Thread trimming is carried out when the pause is canceled OFF None ON Thread trimming is not carried out when the pause is canceled Resuming sewing after sewing is paused 653 ON OFF OFF STOP switch RESET key gt W key Sewing starts OFF None ON STOP switch RESET key Sewing starts Disables needle up stop position monitoring sensor OFF 655 ON OFF OFF Sensor enabled UP will be displayed 3 5 Nore ON Sensor disabled e Home position return when sewing is paused OFF Mechanism moves to home position and then moves to sewing start 656 ON OFF position OFF None ON Mechanism steps back to the sewing start position along the sewing path without moving to the home position Time from error occurring to buzzer stopping 657 0 30 0 Buzzer does not stop 0 None 2 30 Units s Increments
78. Thread trimming is not carried out BAS 311H 12 3 FUNCTION SETTINGS a Setting Settings Settings details initial Specification No n range value limits Stop position settings at highest needle position stop Can only be set when memory switch No 150 is set to ON not displayed at 165 20 20 other times 0 None Needle bar height increases for values in the negative direction Units degree Increments of 1 Delay time until reverse operation starts during highest needle position stop operation 166 40 500 Can only be set when memory switch No 150 is set to ON not displayed at 150 None other times Units ms Increments of 10 Servo lock enabled or disabled setting When set to ON memory switch Nos 168 and 169 can be set 167 ON OFF OFF None OFF Disable ON Enable Servo lock timer setting Can only be set when memory switch No 167 is set to ON not displayed at other times If it is set to 0 no timer operation 168 0 120 0 None Units s Increments of 1 Servo lock release rotation angle Can only be set when memory switch No 167 is set to ON not displayed at other times 43 None 169 30 89 Units degree Increments of 1 Lowers the allowable speed for the sewing pitch by the amount set 170 0 2800 Overall speed reduction sti min Increments of 100 0 None However the minimum allowable speed value is 400 sti min
79. about 0 5 MPa Adjust the tilt of the work clamp Thread wiper dose not operate correctly Adjust the height of the thread wiper P 94 The thread wiper is obstructing the needle Adjust the operating stroke of the P 94 thread wiper Thread wiper position is incorrect Adjust Ane operating stroke ofthe P 94 thread wiper BAS 311H Continued on next page 148 12 TROUBLESHOOTING Problem Cause Remedy reference Lower thread winds to one side Height of bobbin winder tension assembly is incorrect Adjust the height of the bobbin winder tension assembly CD Instruction manual Lower thread winding amount is incorrect Bobbin presser position is incorrect Adjust the position of the bobbin CD Instruction Thread unraveling at sewing start presser manual Select a needle that is suitable for CD Instruction Needle is too thick j 7 the sewing conditions manual Upper thread trailing length is too short When threading the thread through the needle allow a distance of approximately 40 mm between the needle hole and the end of the thread CD Instruction manual Adjust the sub tension so that the upper thread trailing length after thread trimming is approximately 40 mm CD Instruction manual Amount of lower thread being fed out from bobbin is too small Set the feeding amount to approximately 30 mm CD Instr
80. above have been carried out there is a malfunction of the upper shaft motor Motor 430 assembly 6 If E121 is displayed after the sewing machine operates there is a malfunction of a component Check if the blades of the fixed knife and movable knife are damaged or worn 7 If E121 is displayed after the sewing machine operates the home position is incorrectly adjusted Adjust the home position while referring to 8 22 Adjusting the home position 8 If E121 is displayed after the sewing machine operates there is a problem with the operation of the work clamp pulse motor Refer to steps 3 to 4 in 8 Main PCB assembly 311H Pulse motor P assembly 9 If E150 is displayed after the sewing machine operates the motor is abnormally overheating a Turn off the power and let the motor stand for 30 minutes or more b Turn the power back on and OK if operation is normal c Ifthe area around the motor is not hot carry out steps 1 to 5 in 17 Avoid repeated sewing of sewing data that contains 15 stitches or less Resolver stator 430 assembly Motor PCB assembly Motor 430 assembly 137 BAS 311H 10 ELECTRIC MECHANISM Eee Error status 18 The machine cannot produce correct stitches Probable causes Check repair adjust Parts to be replaced 1 Malfunction of synchronizer Refer to step 1 in 17 2 If uneven seams are being sewn a
81. allation is complete If the foot switch is depressed by mistake the sewing machine might start operating and injury could result Hold the machine head with both hands when tilting it back or returning it to its original position Furthermore do not apply excessive force when tilting back the machine head The sewing machine may become unbalanced and fall down and serious injury or damage to the sewing machine may result Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and problems with correct operation may also occur S Q S BAS 311H All cords should be secured at least 25 mm away from any moving parts Furthermore do not excessively bend the cords or secure them too firmly with staples otherwise there is the danger that fire or electric shocks could occur Install the safety covers to the machine head and motor If using a work table which has casters the casters should be secured in such a way so that they cannot move Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your skin If the oil and grease get into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children CAUTION Sewing
82. and P24 into the main PCB turn on the power switch and then check LD1 red on the power PCB OK if illuminated If LD1 is illuminated during the check in step 1 but it does not illuminate when P1 and P24 are connected there is a malfunction of the main PCB 2717B d Check LD1 orange on the main PCB 2718B OK if illuminated 3 If the X feed moves slightly and a Check that connector P17 X ENC is Pulse motor X assembly E200 is displayed there is a inserted into the main PCB and that the color Main PCB assembly 311H malfunction of the encoder matches b Check the encoder input while referring to 3 7 Input checking method 4 Ifthe X feed does not move and a Disconnect the main PCB connector P21 Pulse motor X assembly E200 is displayed there is a malfunction of the pulse motor and cord XPM and measure the resistance between pins 1 2 and 3 4 of the cord connector OK if 2 3 ohms b If step a above is OK there is a malfunction of the main PCB Main PCB assembly 311H BAS 311H 132 10 ELECTRIC MECHANISM Probable causes 1 If the Y feed does not move and E210 is displayed there is a malfunction of the power PCB Error status 7 Error code appears on the display when the foot switch is depressed Check repair adjust Disconnect connectors P1 POWER2 and P24 POWER7 from the main PCB and then turn on the power switch and check LD1 red on the power PCB
83. annot be activated Probable causes Check repair adjust Parts to be replaced 1 If E420 is displayed the SD card is incorrectly inserted 2650B a Check the direction of insertion of the SD card Insert the card so that it matches the direction of the pattern on the card cover b Check the insertion of the SD card 2 E425 SD card is write protected Remove the write protection for the SD card 3 Malfunction of SD card Use a PC to check if the contents of the SD card can be read 4 Malfunction of operation panel See 11 BAS 311H Panel PCB assembly Panel harness 140 11 LIST OF ERROR CODES 11 LIST OF ERROR CODES DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the control box cover Touching areas where high voltages are present can result in severe injury If a malfunction should occur with the sewing machine a buzzer will sound and an error code will appear in the display window Follow the remedy procedure to eliminate the cause of the problem Warnings displayed as symbols Code Cause of error and remedy The start switch was pressed without the work clamp being lowered CLdn First lower the work clamp UP The needle bar is not stopped in the needle up stop position Turn the pulley until the point where the error display disappears
84. ase Apply adhesive Threebond 1401N or similar to the thread section of the set screw 22 18 Driving lever 33 Spring washers 2 pcs When the ball joint assembly of the 19 Thread trimmer collar 34 Bolts 2 pcs thread trimmer rod assembly V 23 20 Collar shaft 35 Solenoid cushion has been disassembled assemble it 21 Retaining ring E 36 Washer so that the distance between the 22 Set screw 37 Solenoid lever centers of the holes is 287 5 0 5 23 Thread trimmer rod assembly V 38 Set screw mm 24 Shoulder screw B 39 Bolts with washer 2 pcs 25 Nut 40 Driving lever pushing lever 26 Guide shaft 41 Shoulder screw 27 Spring 42 Set screw 28 Cushion 43 Nut 29 Set screw 44 Movable knife connecting plate 30 Thread trimmer solenoid 45 Shoulder screw Ball joint 258 5 0 5mm 31 Solenoid setting plate 46 Shoulder screw B assembly 32 Plain washers 2 pcs 47 Nut tt 3268B BAS 311H 78 7 ASSEMBLY 48 49 50 51 52 53 54 55 56 57 58 59 79 3286B Fixed knife Plain washers 2 pcs Screws 2 pcs Movable knife spacer Movable knife assembly Movable knife collar Thrust washer Movable knife shoulder screw Needle plate Screws 2 pcs Flat screws 2 pcs Movable knife connecting plate 3287B Insert the pin of the movable knife assembly 52 into the hole in the movable knife connecting plate 59 and then install the needle plat
85. ata While writing will be copied to the SD card gt TENSION MEM appears in the tension display 2902B 2663B 3 When the display returns to the status in step 1 writing of Na PROGRAM No the memory switch data is complete If you would like to use any other read write modes press the A or V key to select the mode and then run it 2664B 4 Exit read write mode Press the TEST key fe J TEST indicator switches off TEST 2404B BAS 311H 42 5 USING SD CARD 5 8 r 5 Reading program data 1 Select the r5 SD data read write mode QE PROGRAM No 2665B 2 Press the ENTER key ENTER 2414B The buzzer will sound and the sewing program data and cycle program data will be read from the SD card While reading and stored in the sewing machine s memory and the sewing programs and cycle programs will then be set gt TENSION pre E If no sewing program data or cycle program data a appears in AenSION exists an error buzzer will sound display 2903B 2668B 3 When the display returns to the status in step 1 reading PROGRAM No of the program data is complete a If you would like to use any other read write modes press the A or V key to select the mode and then run it 2665B 4 Exit read write mode Press the TEST key 0 J TEST indicator switches off TEST 2404B 43 BAS 311H 5 USING SD CARD 5 9 w 6 Writing program data to an SD card
86. ations or strong magnetic forces such as from speakers Do not subject the SD cards to vibration or shocks or remove them from the sewing machine while data reading or writing is in progress Data on the SD cards may be lost or damaged due to some malfunction or accident We recommend backing up important data The SD cards that you purchased is already formatted We recommend that the SD cards not be reformatted The recommended SD cards are those sold by SanDisk and Panasonic Cards from other manufacturers may use different formatting methods and may not work correctly as a result For additional information refer to the instruction manual included with the SD cards that you have purchased This product is compatible with SD cards that have been formatted using the FAT16 32 method Cards that have been formatted using other formatting methods cannot be used All other company and product names mentioned in this instruction manual are trademarks or registered trademarks of their respective companies However the explanations for markings such as TM are not clearly described within the text 5 2 Structure of an SD card folder Data type Folder name File name ISM19MN BVP Main control program Control program BROTHER ISM ISMSYS ISM19MT BVP Motor control program ISM19PL BVP Panel control program BROTHER ISM ISMDB represents the sewing machine ID cord memory switch No 752 ISMSO0 sew
87. ch and disconnect connector P1 POWER2 from the main PCB and connectors P1 MT ENC and P2 MAIN from the motor PCB and then turn on the power switch and check LD2 red on the power PCB OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 into the main PCB and P1 and P2 into the motor PCB Panel PCB assembly Panel harness 9 Poor harness connection P4 POWER 3 DCV 2713B Turn off the power switch and check that connector P4 POWER3 of the motor PCB is inserted and then turn on the power switch and check the voltage between terminals 1 and 4 of P4 OK if approximately 24 V DC Power PCB assembly 10 Malfunction of operation panel Check that connector P3 PANEL of the motor PCB is inserted Operation panel assembly Panel PCB assembly Panel harness BAS 311H 128 10 ELECTRIC MECHANISM Probable causes If E015 or E016 is displayed there is a poor connection of the STOP switch Error status 2 Error code appears on the display when the power is turned on Check repair adjust Check that the STOP switch is not stuck down Check if there is a harness short circuit Check that connector P9 HEAD SW is inserted into the main P C board Parts to be replaced STOP switch If E025 or E035 is displayed the foot switch is still depressed Check if the foot switch is sti
88. ck it If water has collected in the bottle of the regulator 1 turn the drain cock 3 in the direction indicated by the arrow to Fg ee ee drain the water Slo NOTE by ONY on 4 Open the air cock 4 slowly ES 1912B BAS 311H 98 8 ADJUSTMENT 8 19 Belt tension adjustment Wane position mee Middle of lower shaft 3319B Goh os Move the X feed bracket 1 at the left edge of the sewing area Loosen the four bolts 3 of the X pulley bracket 2 and then provisionally tighten them Pass the M5 x 25 screw through the countersunk hole in the side of the bed and screw it into the tap hold in the X pulley bracket 2 Then pull the X pulley bracket 2 to increase the tension Tighten the four bolts 3 and then remove the M5 x 25 screw Use a tension gauge to measure the belt tension at the middle of the lower shaft while referring to Measurement position in the illustration Check that the value for the belt tension is within the following value ranges If it is not within this range repeat steps 3 to 5 For a new belt 530 570N For a reused belt 420 570N The belt tension gauge should be set to measure a unit weight of 4 g mm m a belt width of 30 mm and a span length of 310 mm It is recommended that you use the Yunitta U 505 tension gauge 99 BAS 311H 8 ADJUSTMENT 8 20 Adjusting the tension release amount 1
89. d correctly or which are contacting poorly As a result check that all connectors are inserted correctly and that the pins and wires are crimped properly before carrying out problem diagnosis 10 4 1 Connector positions Main PCB P16 P17 P18 P19 P20 PROGRAMER HEADMEM X _ENC Y _ENC P15 PEDAL P14 Hoosw Bo L P34 Eir EXIN 3 CL ILI rs 5 AIR 3 pL AIR 2 Se EXOUT 1 P11 Se P10 P EXIN 1 L P8 SENSOR1 J N P9 O 000 0 000 0 009 1 YPM P23 PPM Ca LD1 100V power HEAD j supply orange P6 P MT ENC 7 P24 P7 POWER 1 SENSOR 2 P5 LD3 MOTOR TPM 3 3V power supply LD2 P3 P2 P1 yellow green 32V power supply yellow green SOL 2 SOL 1 POWER 2 3421B Motor PCB Refer to the diagram in 10 3 Fuse explanation BAS 311H 116 10 ELECTRIC MECHANISM Power PCB LD1 P1 100V power supply red MAIN LD2 P5 MN24V power supply red N CUTTER OO mi OE P4 O O C M f a D 3 an 0831D Panel PCB 2687B 117 BAS 311H 10 ELECTRIC MECHANISM 10 4 2 Symptoms when there are poor connections This divides the functions of the connectors into five sections but some connectors have more than one
90. depressed 5 When returning to normal operation turn power off and then on again Item No Item name Operation 51 PM X When the A key is pressed the work clamp moves to the left When the W key is pressed the work clamp moves to the right 52 PM y When the A key is pressed the work clamp moves to the forward When the key is pressed the work clamp moves to the back 53 PM F When the A key is pressed the work clamp and intermittent presser foot are raised for motor driven type When the W key is pressed the work clamp and intermittent presser foot are lowered for motor driven type When the A key is pressed only the intermittent presser foot is raised pneumatic type When the Y key is pressed only the intermittent presser foot is lowered pneumatic type 54 Not used 29 BAS 311H 3 FUNCTION SETTINGS Item No Item name Operation 55 CL r Right clamp valve turns on OUT16 1 56 CL L Left clamp valve turns on OUT15 1 57 Foot Option output 14 turns on 58 FLIP Inner clamping valve is turned ON OUT13 1 59 CooL Needle cooler valve is turned ON OUT12 1 607 The panel LEDs illuminate in order and then the seven segments of the ars PROGRAM No display and the menu display illuminate one by one 61 CUt Thread t
91. e 56 with the screws 57 and the flat screws 58 so that the needle drops into the center of the needle hole BAS 311H 7 ASSEMBLY After installing the needle plate while referring to 7 11 Thread trimmer mechanism carry out the following adjustment 155 5mm 3362B j 3363B 1 When the cam gear 60 is turned the position of the top of the stepping foot driving lever 61 changes back and forth so turn the cam gear 60 to move the stepping foot driving lever 61 to the back position the position in the illustration 2 Loosen the two nuts 63 and turn the joint 64 to adjust the height of the roller 62 so that it is 155 5 mm above the top of the needle plate 3 Set the height of the presser bar 65 to 41 mm above the needle plate align the center of the presser foot 66 hole and the needle hole and then tighten the bolt 67 4 Set the height of the presser foot 66 to 22 mm above the needle plate and then tighten the screw 68 5 Turn the cam gear 60 in the direction of the arrow to move the stepping foot driving lever 61 forward to the dotted line position shown in the illustration 6 Set the needle bar to the timing position 7 Loosen the nut 69 and turn the bolt 70 to set the height of the presser foot 66 to 0 5 mm above the needle plate BAS 311H 80 7 ASSEMBLY 7 12 Tension release mechanism Adjust while referring t
92. e main PCB OK if illuminated Check LD3 green on the motor PCB OK if illuminated Check that connector P5 MOTOR is connected to the main PCB and that connector P2 MAIN is connected to the motor PCB Check that connector P3 PANEL is connected to the motor PCB and that connector P4 MAIN is connected to the panel PCB Check if there is a broken wire in the harness Main PCB assembly 311H Motor PCB assembly Panel PCB assembly Connection harness Panel harness If E450 or E452 is displayed the machine head memory cannot be recognized Check if connector P3 HEAD M is connected to the main PCB Check if there is a broken wire in the harness If E700 is displayed the power supply voltage is abnormally high Check that the power supply voltage at the mains is at the specification voltage plus or minus 10 See 1 2 If E705 is displayed the power supply voltage is abnormally low Check that the power supply voltage at the mains is at the specification voltage plus or minus 10 See 1 2 BAS 311H 10 ELECTRIC MECHANISM ee Probable causes 1 Malfunction of panel PCB Error status 3 No keys on the operation panel are not activated Check repair adjust Check that connector P3 PANEL is connected to the motor PCB and that connector P1 MAIN is connected to the panel PCB Parts to be replaced Operation panel assembly Panel PCB a
93. ead take up spring tension gt Turn the tension stud 2 with a screwdriver to adjust the tension Stronger 3122B NOTE If the thread tension spring is not adjusted correctly the upper thread trailing length will be uneven after thread trimming 8 4 Arm thread guide R The standard position of arm thread guide R 1 is when the screw 2 is aligned with the index mark More thread 4 D Lessthrea ae the screw 2 and move arm thread guide R 1 to Noh Index mark When sewing heavy material move arm thread guide R 1 to the left The thread take up amount will become greater When sewing light material move arm thread guide R 1 to the right The thread take up amount will become less 3123B 87 BAS 311H 8 ADJUSTMENT 8 5 Adjusting the needle bar height 3 ar A aA DP X 17 4 3059B 3376B 3377B Turn the pulley 1 in the direction of the arrow to move the needle bar to the lowest position Then remove the rubber plug 3 loosen the screw 4 and then move the needle bar up or down to adjust so that the second reference line from the bottom of the needle bar reference line A is aligned with the lower edge of the needle bar bush 2 If using a DP x 5 needle use the highest reference line reference line a 8 6 Adjusting the timing and the driver needle guard 3359B 3360B b B DP
94. ead trimmer lever Thread trimmer rod H 0 Movable knife lever SB OMNAARWNA BAS 311H 54 6 MECHANICAL DESCRIPTIONS 6 9 Tension release mechanism 1 Tension release solenoid 2 Bolt 3 Tension release bar 4 3320B x 2 Tension release pin 6 10 Thread wiper mechanism 3345B Thread wiper solenoid assembly Thread wiper rod Thread wiper crank assembly Wiper RON 55 BAS 311H 7 ASSEMBLY 7 ASSEMBLY Assemble each part order of the numbers number indicates part names only They do not indicate the order of assembly Apply greases to the required places when reassembling the parts and once every two years 7 1 Upper shaft mechanism Apply adhesive Threebond 1324N or similar to the outer circumference of joint assembly 12 bearing Nee Securely tighten the set screws 8 11 and 13 so that they are aligned with the screw stops on the upper shaft 1 starting from the set screws at the front in the turning direction Install the bobbin winder driving wheel 3 so that it is in phase with the thread take up crank 5 and aligned with the Reference reference line on the upper shaft line 1 Securely tighten the screw 6 of the thread take up crank 5 so that it is aligned with the upper shaft hole 2 While pressing the thread take up crank 5 so that there is no play in it tighten the set screw 7 Upper shaft Pulley gear R Bobbin winder dr
95. ection 3340B Align the needle bar 19 so that reference line A the second lowest reference line is aligned with the lower edge of the needle bar bush when the machine pulley is turned to raise the needle bar 19 from its lowest position and then set the cut section so that it is facing forward and tighten the screw reference line on the needle bar 19 or reference line a top 59 BAS 311H Needle bar clamp Needle bar Insert from above Screw Rubber cap Needle bar bush 4 7 ASSEMBLY 7 3 Intermittent presser foot lifter mechanism Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows Tighten the set screw 5 on the screw stop while lightly pressing the stepping clamp lifter shaft 4 3325B lt Stepping clamp lifter rod adjustment gt Screw the stepping clamp lifter rod 2 in as far as it will go then turn it back 3 times es Itc 7 4 2 5 mm 4 6 pe a we 5 479 1 mm Inside hole ED Stepping clamp lifter Stepping clamp lifter rod insert from the front Screw Stepping clamp lifter shaft Set screw Place the oil tube into the groove 3324B DY OV BS GON Flat screw BAS 311H 60 7 ASSEMBLY Install the presser bar spring collar 22 as shown in 1 With the needle bar lowered approximately 6 5 mm from its the illustration and then adjust the height of the highest position set the step
96. ector P22 YPM and measure the resistance between pins 1 2 and 3 4 of the cord connector OK if 2 3 ohms b If step a above is OK there is a malfunction of the main PCB Pulse motor Y assembly Main PCB assembly 311H 133 BAS 311H 10 ELECTRIC MECHANISM Probable causes If the work clamp pulse motor does not operate and E300 is displayed there is a malfunction of the power PCB Error status 8 Error code appears on the display when the foot switch is depressed Check repair adjust Disconnect connectors P1 POWER2 and P24 POWER7 from the main PCB and then turn on the power switch and check LD1 red on the power PCB OK if illuminated After checking turn off the power switch wait for one minute or more and then insert P1 and P24 into the main PCB Parts to be replaced Power PCB assembly If the work clamp pulse motor does not move and E300 is displayed there is a malfunction of the main PCB P24 POWER 1 a Disconnect connector P24 POWER1 from the main PCB and check the continuity between terminals 1 and 2 of P24 OK if ohms b Disconnect connector P23 PPM from the main PCB and check the continuity between terminals 1 and 2 3 and 4 of P23 OK if ohms c Insert P23 and P24 into the main PCB turn on the power switch and then check LD1 red on the power PCB OK if illuminated If LD1 is illuminated during the check in step 1 but it does
97. ed If it is set to ON when no programs have been registered nothing is displayed the display is skipped 2 If an F key which does not have a program registered to it is pressed the key will be invalid The buzzer will sound twice BAS 311H 8 3 FUNCTION SETTINGS TTT Work clamp settings No Setting Settings Settings details ntl cea range value limits Work clamp operation before home position detection OFF Work clamp cannot be raised or lowered before home position is 051 ON OFF detected 1 ON None ON Work clamp can be raised and lowered before home position is detected Work clamp operation during split programs OFF Work clamp lifts automatically when sewing pauses due to a split 052 ON OFF program OFF None Work clamp does not lift automatically when sewing pauses due to a split program ON Time from intermittent presser foot lifting until feed mechanism starts moving 053 0 999 100 None Units ms Increments of 1 Intermittent presser foot drop timing Presser foot drops when the work clamp switch is depressed but it 0 does not drop at the retract position 054 0 2 TERE 0 None 1 Presser foot drops when the work clamp switch is depressed 2 Presser foot drops at the sewing start regardless of the work clamp switch operation Work clamp signal valve special output for pneumatic type work clamp 0 Disabled Valve output is r
98. ed timing for the 2nd stitch before the sewing end 265 80 80 80 Early 80 Late 0 None Units degree Increments of 1 Changes the feed timing for the 1st stitch before the sewing end 266 80 80 80 Early 80 Late 0 None Units degree Increments of 1 When the overall feed timing has been changed using memory switch No 260 this specifies the effective number of stitches 267 0 99 0 No limit 0 None When the specified number of stitches is exceeded the feed timing returns to the standard timing 1 99 Changes the overall feed timing reference 0 Feed start reference Makes the timing uniform at the start of feed 4 Needle up reference Changes the timing at the start of feed so that 268 0 3 the needle zigzagging is even 1 None 2 Feed end reference Makes the timing uniform at the end of feed 3 Linked to speed Feed timing is uniform even if the sewing speed changes Changes the feed timing reference for the first three stitches at the sewing start 0 Feed start reference Makes the timing uniform at the start of feed 269 0 2 Needle up reference Changes the timing at the start of feed so that 1 None 1 the needle zigzagging is even 2 Feed end reference Makes the timing uniform at the end of feed Home position detection operation when the program is changed Home position detection is not carried out 0 Moves to sewing start position when start switch is depressed
99. efer to steps 2 to 9 in Method A previous page 33 BAS 311H 3 FUNCTION SETTINGS Table of protection levels and corresponding protected items x Operation disallowed Selected number OFF 1 2 3 4 5 6 7 Setting items Data initialization Memory switch For operators Memory switch For technicians lt Home position main shaft reference gt x position adjustment Program No x x x x x x XY enlarge change during wait Possible if 100 or less XY enlarge reduce change during wait Sewing speed during wait Slow start during wait Work clamp height during wait x x x Tension during wait 1 x x x Lower thread counter change during wait Production counter clear during wait Lower thread counter setting mode Production counter setting mode x Program setting mode x x x x x Cycle program setting mode x x x x x x Pattern data editing mode 4 x Data read write mode x Sewing start after pause x Parallel movement mode x Program copy mode x x x x x x 1 The standard setting is that the tension settings during pattern editing and wait are not displayed because of to the digital tension option BAS 311H 34 4 X AND Y PARALLEL MOVEMENT OF SEWING PATTERNS 4 XAND Y PARALLEL MOVEMENT OF SEWING PATTER
100. eindre provocar las heridas Apagar el aus und warten sie 5 minuten l interrupteur et attendre 5 interruptor principal y esperar 5 bevor sie diese abdeckung ffnen minutes avantd ouvrir le capot minutos antes de abrir esta cubierta CAUTION Moving parts may cause injury Operate with safety devices installed Turn off the power before carrying out operations such as threading changing the needle bobbin knives or hook cleaning and adjusting Safety devices Devices such as eye guard finger guard thread take up cover side cover rear cover tension release solenoid cover inner cover outer cover fixed cover and gas spring support cover Be careful not to get your hand caught when tilting back the machine head and returning it to its original position Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and problems with correct operation may also occur Direction of operation Be careful to avoid injury from moving parts Do not hold otherwise problems with operation or injury may occur BAS 311H Tension release solenoid cover Inner cover L Outer cover Fixed cover i 4 Thread take up cover Inner cover R Outer cover Fixed cover Finger guard Gas spring support cover BAS 311H v CONTENTS BAS 311H 1 SPECIFICATIONS
101. em and then press the TEST key 2 The protect setting mode will be exited and the sewing machine will change to home position standby If you would like to return to protection level setting 2 above press the F1 key 8 BAS 311H 32 3 FUNCTION SETTINGS Method B Have an SD card ready The SD card is only used at the step of selecting protect setting mode so any type of SD card can be used as long as it can be accessed In addition if making the setting two or more times a different SD card from the one used before can be used 1 Insert the SD card and then while pressing the RESET key 1 and the TEST key 2 and the ENTER key 3 turn on the power switch The previous starting method A or b will be displayed in the menu display The method is set to A at the time of shipment from the factory PRocRAM No A varer FS otcaution S section No o X scale F1 1 A ie o Y YscaLe 0c amp sre i TENSION o DBE counter Fs o SPLIT No oi WM O wer an a v THREAD CLAMP TENSION SELECT 3203B 2 Press the A or W key 5 to select the next starting method Starting method Details A Protect setting mode can be started using either Method A or Method B B Protect setting mode can only be started using Method B 3 Press the ENTER key 3 to store the starting method 4 For the method of operation from this point onward r
102. en at the neutral position Foot switch signal gt bAck Depressed backward 12 FtS rete 7 o oFF Neutral ZNR J CLnP 1st step Work clamp signal Strt 2nd step Start signal 5 Work clamp switch 1st step for two pedal foot switch 13 CL1 on oFF Depress the work clamp switch to the 1st step a 5 Work clamp switch 2nd step for two pedal foot switch 14 CL2 on oFF Depress the work clamp switch to the 2nd step 15 Stt eon sal Start switch for two pedal foot switch Depress the start switch 27 BAS 311H 3 FUNCTION SETTINGS Item No Item name Input status Check items and checking methods nA no Stop switch re LEME oFF on a is displayed when not connected e Machine head switch pugs ua EONS GOFE Iiiarr i iediepiayed when tne machhe ead malledibade ee External input error detection 18 EXE Deed TOPE lonion a as 19 Not used 20 Not used Ta DNA s k 4 Fiber type thread breakage detection Rees ee EOE opisan IN14 i 22 in1 on oFF Option input IN1 23 in2 on oFF Option input IN2 24 in3 on oFF Option input IN3 25 in4 on oFF Option input IN4 26 ind on oFF Option input IN5 27 Lin6 on oFF Option input IN6 28 Lin7 on oFF Option input IN7 29 ing on oFF Option input IN
103. er clamping device is used No retract operation at the sewing end Inner clamping device operates for 1 4 of the sewing pattern and 3 returns for the other 3 4 No retract operation Wiper device 0 F 557 0 2 pisshle 1 None 1 Standard wiper device is used 2 Pneumatic type wiper device is used Option output No 2 External error monitoring input 558 ON OFF OFF Disable OFF None ON Enabled Option input No 13 AIRSW Operating indicator output OFF Disable 559 ON OFF Option output No 9 Output ON while operating OFF None ON Option output No 10 ON during lower thread conversion and during test mode Option output No 11 ON when error is generated Automatic ejector Option output No 3 output Option input No 1 right sensor Input No 2 left sensor When this device is used memory switch No 002 should be set to 0 560 0 3 0 Disable 0 Pneumatic 1 Standard automatic ejector operation occurs 2 Sewing starts when cassette sensor is ON 3 Start switch is enabled even if cassette sensor is OFF BAS 311H 18 3 FUNCTION SETTINGS EE Setting Settings Setting details Initial Specification No mee range value limits Time from sensor turning on to sewing start when memory switch No 560 is set 561 0 999 to 2 100 Pneumatic Units ms Increments of 1 2 step tension 564 ON OFF OFF Disable OFF None ON 2 step tension is used Tension release force setting
104. eversed for pneumatic type work clamp i specifications 055 0 2 Connect the air tubes in reverse so that the work clamp can lift 0 Pneumatic when the power is turned off Reverse valve output for pneumatic specifications is output 2 simultaneously for 2 position valve specifications Right work clamp reverse Option output No 4 Left work clamp reverse Option output No 5 Thread winding operation before home position is detected 056 ON OFF OFF Thread winding cannot be carried out before home position is OFF None detected ON Thread winding can be carried out before home position is detected Work clamp operation when feed moves to sewing start position after home position is detected 057 ON OFF Work clamp stays dropped after home position is detected ON None OFF Work clamp lifts when work clamp switch is depressed when depressed backward for foot switch ON Work clamp lifts automatically after home position is detected Operation settings for heavy weight materials 059 0 1 9 Sand 0 Pneumatic When using a heavy work clamp and feed plate 1 Maximum sewing speed is limited to 2 200 sti min Time after the work clamp drops until the shaft starts rotating 060 0 3000 0 None Units ms Increments of 10 41 If memory switch No 051 is set to OFF thread winding is not possible before home position detection is carried out Thread winding is not possible during intermittent lifting and before
105. ew stop on the pulse motor P assembly 30 is facing downward and the index mark on the work clamp driving gear 31 is on the right and then tighten the two set screws 32 against the Hook the spring 36 into arm hole as shown in the illustration screw stops one after the other ee 3329B 30 Work clamp pulse motor P assembly 31 Work clamp driving gear 32 Set screws 2 pcs 33 Work clamp motor plate 34 Bolts 4 pcs 35 Bolts 2 pcs 2 36 Work clamp spring 2 Install the work clamp pulse motor P assembly 30 to the work clamp motor plate 33 with the four bolts 34 so that the motor connector is facing downward 3 Align the index marks on the work clamp cam gear 3 and the work clamp driving gear 31 and then install the work clamp motor plate 33 with the two bolts 35 so that the backlash is 0 01 0 05 mm Index mark BAS 311H 64 7 ASSEMBLY 7 5 Work clamp lifter mechanism pneumatic work clamp specifications Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows Set the work clamp cam gear 2 so that there is no clearance between it and the two ball bearings 1 in the shaft direction and then align the V groove in the work clamp fulcrum shaft 3 with the thread on the hole side of the work clamp cam gear 2 Then tighten the set screw 7 11 Ne Inside hole Apply adhesive T
106. fter installing carry out the adjustments in 8 19 Belt tension adjustment BAS 311H 68 7 ASSEMBLY SSS 1 Gently press the left Y feed guide 16 against the fitting face A of the X feed base plate assembly 15 and then install it by securely tightening the five bolts 17 Install the Y feed bracket 18 and the two cross rollers 19 and the right side Y feed guide 20 When installing the right side Y feed guide 20 push it gently to the left and then use the three set screws 3 to adjust so that the Y feed bracket 18 moves smoothly with no play then securely tighten the five bolts 22 to install the Y feed guide 20 to the X feed base plate assembly 15 lastly insert the three set screws 23 which have had adhesive Threebond 1401N or similar applied to them so that the Y feed guide 20 is gently touching against the three set screws 21 on the inside Install the two Y feed guide covers 24 to the two Y feed guides 16 and 20 using the eight flat screws 25 which have had adhesive Threebond 1401N or similar applied to them Apply adhesive Threebond 1324N or similar to the outer bearing surface of the four ball bushings 26 After attaching to the X feed base plate assembly 15 fit the eight retaining rings C 27 and then push each of the ball bushings 26 in the directions of the arrows to secure them Q 3418B 15 X feed base plate assembly Position the ball bushings s
107. g something inside the control box Some adjustments require measuring the voltage while the power is turned on with the control box kept open In such a case be careful not to touch any place other than that for the measurement In addition always keep in mind that a high voltage remains for about 5 minutes after power is turned off Injury When separating or rejoining connectors and measuring something be careful not to cut your fingers on metal parts such as heat sinks and covers 2 When replacing a fuse be sure to use a new one of the same quality and capacity as the old one Before adjustment 1 While the power is turned off check each connector is securely plugged in by referring to 10 4 Description of connectors 2 Find the error status number in the troubleshooting flowchart 3 From the applicable part of the flowchart take the reference number to find the correspondingly number details of the problem in the following table BAS 311H 126 10 ELECTRIC MECHANISM Error status 1 The power indicator does not light when the power is turned on Probable causes Check repair adjust Parts to be replaced 1 Check the LEDs Turn on the power switch and check that the various LEDs illuminate in the following order a LD2 red on motor PCB does not illuminate 1 2 1 3 1 4 b LD2 red on power PCB does not illuminate 1 5 1 6 1 7 1 8 c LD3 green on motor PCB does
108. h is irregular with a new one imming i i manual the sewing start long thread trimming is approximately 40 mm Movable knife is blunt Replace the movable knife with a P92 new one Fixed knife is blunt Sharpen the fixed knife or replace it P92 Sub tension is too weak Adjust the sub tension CD Instruction manual Thread take up spring tension is too weak Increase the tension of the thread take up spring P 87 151 Pattern is distorted Work clamp and feed plate are too heavy BAS 311H If using a heavy work clamp and feed plate change the operation settings to the settings for heavy weight materials Ask the place of purchase for details on the setting method 13 7 SEGMENT DISPLAY LIST 13 7 SEGMENT DISPLAY LIST 4268M 152 BAS 311H SERVICE MANUAL BROTHER INDUSTRIES LTD _http www brother com 1 5 Kitajizoyama Noda cho Kariya 448 0803 Japan Phone 81 566 95 0088 2014 Brother Industries Ltd All Rights Reserved BAS 311H 14011019B 2014 07 B 1
109. he power and then check that connector P11 on the motor P C board is properly connected Problem detected with upper shaft motor operation E132 Turn off the power and then check that connectors P11 and P1 on the motor P C board connector P6 on the main P C board and connector P4 on the upper shaft motor P C board are properly inserted Upper shaft motor stopping position is incorrect E133 Turn off the power and then check that connectors P11 and P1 on the motor P C board connector P6 on the main P C board and connector P4 on the upper shaft motor P C board are properly inserted Upper shaft motor is overheating or temperature sensor is faulty Turn off the power and then check the upper shaft motor When sewing data with a small number of stitches 15 stitches or less is sewn repeatedly short cycle operation the upper shaft motor may overheat and the E150 error code may be generated E150 BAS 311H 142 11 LIST OF ERROR CODES Feed mechanism related errors Code Cause of error and remedy X feed motor home position cannot be detected Problem with X feed motor or poor X home position sensor connection Turn off the power and then check that connectors P17 P21 and P8 on the main PC board are properly connected E200 X feed motor stopped due to a problem E201 Turn off the power and then check if there are any problems in the X feed direction Turn off the power and the
110. heck that the needle hole is inside the work clamp arm assembly 3 and the feed plate 1 frame If the needle hole is not inside the frame adjust the position of the work clamp arm assembly 3 and feed plate 1 BAS 311H 72 7 ASSEMBLY 7 8 Feed covers 73 ONDARON Inside cover L assembly Screws 4X8 4 pcs Bellow assembly Plain washers 4 pcs Screws 4 pcs Fixed covers 2 pcs Cover rails R 2 pcs Cover rails L 2 pcs Screws 4X8 16 pcs Plain washers 4 pcs Spring washers 4 pcs Nuts 4 pcs Outside covers 2 pcs Place into cover rail Inside cover R assembly 3278B BAS 311H 7 ASSEMBLY 7 9 Lower shaft mechanism Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows Tighten the set screw 2 until the head of the screw is flush with the edge of the bed Refer to 8 9 Rotary hook lubrication amount Shuttle race base assembly Set screw Set screw Adjusting stud PONS 3280B 6 11 Adjust while referring to 8 21 Adjusting the backlash of the lower shaft gear 5 Rock gear shaft Insert from the rear of the machine head Rock gear Set screw collar B Set screws 2 pcs Set screw collar R Set screw Temporarily tighten Set screws 3 pcs Temporarily tighten RSLPPNOD O BAS 311H 74 7 ASSEMBLY 3281B
111. hen check if there are any problems in the Y feed direction Turn off the power and then check that connectors P18 and P22 on the main P C board are properly connected Y feed motor stopped due to a problem while moving to the sewing start position E215 Turn off the power and then check if there are any problems in the Y feed direction Turn off the power and then check that connectors P18 and P22 on the main P C board are properly connected Y feed motor stopped due to a problem during test feeding E216 Turn off the power and then check if there are any problems in the Y feed direction Turn off the power and then check that connectors P18 and P22 on the main P C board are properly connected Feed motor stopped due to a problem E230 Reduce the sewing speed or set memory switch No 059 1 143 BAS 311H 11 LIST OF ERROR CODES Work clamp related errors Code Cause of error and remedy Work clamp home position cannot be detected Problem with work clamp motor or poor work clamp home position sensor connection Turn off the power and then check that connectors P19 P23 and P8 on the main P C board are properly connected E300 Work clamp raised or lowered position cannot be detected E301 Turn off the power and then check if there are any problems in the work clamp vertical direction Turn off the power and then check that connectors P19 and P23 on the main P C board are properly connected
112. hreebond 1324N 3 2 a ey or similar to the outer bearing surface of the ball bearing 1 Align the screw stop and then tighten the set screw 12 so that there is no play in the stepping foot driving lever 9 and the set screw collar 10 Check that the stepping foot driving lever 9 turns smoothly 1 Ball bearings 2 pcs 2 Work clamp cam gear 3 Work clamp fulcrum shaft 3333B 4 Retaining ring C 5 Plain washer Apply adhesive Threebond 1324N or 6 Screw similar to the outer bearing surface of 7 Set screw the ball bearing 1 8 Set screw 9 Stepping foot driving lever 10 Set screw collar 11 Work clamp lever shaft 12 Set screw 13 Set screw 14 Shoulder screws 2 pcs 15 Bolt 65 BAS 311H 1 2 3 Set so that the clearance between the work clamp pulse motor P assembly 16 and the work clamp driving gear 17 is 6 2 mm when the screw stop on the work clamp pulse motor P assembly 16 is facing downward and the index mark on the work clamp driving gear 17 is on the right and then tighten the two set screws 18 against the screw stops one after the other Index mark Install the work clamp pulse motor P assembly 16 to the work clamp motor plate 19 with the four bolts 20 so that the motor connector is facing downward Align the index marks on the work clamp cam gear 2 and the work clamp driving gear 17 and then install the work clamp motor plate 19 with the two bolts
113. ialization 0 Depress the foot switch to the 2nd step while the program number is flashing For a two pedal foot switch depress the start switch When the RESET key is pressed while the program number is flashing When work clamp is lowered before moving to sewing start position Moves to sewing start position When work clamp is lowered after moving to sewing start position Ignored When work clamp is raised before moving to sewing start position Work clamp is lowered Moves to sewing start position When work clamp is raised after moving to sewing start position gt Ignored 2 When the expansion input switch EXIN3 is pressed while the program number is flashing When work clamp is lowered before moving to sewing start position Moves to sewing start position When work clamp is lowered after moving to sewing start position Ignored When work clamp is raised before moving to sewing start position Ignored When work clamp is raised after moving to sewing start position Ignored None 254 0 3 Movemen 0 t path from mechanism home position to start position Not reset during initialization No route specified 1 Moves in the order XY when moving to the home position and in the order YX when moving to the sewing start position 2 Moves in the order YX when moving to the home position and in the order XY when moving to the sewing start position 3 Operates
114. ifter Stepping clamp lifter link Stepping clamp link 9 Stepping clamp connecting rod B 10 Presser bar clamp 11 Presser bar 12 Presser foot 3251B ONOaARWN gt 51 BAS 311H 6 MECHANICAL DESCRIPTIONS 6 6 Intermittent presser foot stroke mechanism Motor assembly Upper shaft Stepping clamp cam Stepping clamp connecting rod Stepping clamp arm R Stepping clamp arm F Stepping clamp connecting rod A Stepping clamp link 9 Stepping clamp connecting rod B 10 Presser bar clamp 11 Presser bar 12 Presser foot ONO R WN gt BAS 311H 52 6 MECHANICAL DESCRIPTIONS 6 7 Feed mechanism Sewing patterns are created through combinations of X and Y movements X direction 2 3253B 1 X feed motor assembly 2 Gear 3 X feed gear 4 X pulley driving shaft 5 Timing pulley 6 Timing belt 7 X feed bracket assembly Y direction 1 1 Y feed motor assembly 2 Gear K 3 Y feed rack shaft assembly 4 ae 4 X feed shaft support 3254B 5 X feed shaft 6 Work clamp arm assembly 7 Y feed bracket 53 BAS 311H 6 MECHANICAL DESCRIPTIONS 6 8 Thread trimmer mechanism 3255B Thread trimmer solenoid 11 Set screw collar Solenoid lever 12 Movable knife lever shaft Pushing lever 13 Movable knife connecting plate Driving lever 14 Movable knife Thread trimmer collar 15 Fixed knife Thread trimmer cam Thread trimmer rod V Thr
115. isable 951 ON OFF CEP OFF None ON When the last two digits of the program number are 1 to 15 the program number is output in 4 bits to option output 4 7 BAS 311H 22 3 FUNCTION SETTINGS ET 3 5 Setting the work clamp mode Combinations of memory switch settings can be used to switch the work clamp operating mode to any one of the following modes lt Motor driven work clamp specifications Foot switch standard operations gt Foot switch operation is set when memory switch No 070 is set to 1 Operating mode Memory switch setting Lowering operation Analog lowering Work clamp dropping in 1 step Work clamp dropping in 2 steps Automatic work clamp lifting Enabled After home position detection Automatic lift After sewing start Automatic lift 003 071 057 001 Lowered Lowered Automatic lift Lowered DIGIO O oOJNJOJN Disabled Enabled Lowered Automatic lift Lowered Automatic lift oO O a T Li Lowered Lowered Automatic lift Lowered a oa 3 oa oOINJOJN Disabled Enabled Disabled Lowered Automatic lift Lowered Lowered Lowered Automatic lift Lowered Automatic lift Lowered Lowered lt Motor driven work clamp specifications Foot switch sequence operations gt Operating mode N e gt gt FNM a a zZ O T N I
116. iving wheel Stepping clamp cam assembly Thread take up crank Screw Set screw Set screws 2 pcs Set screws 2 pcs Rubber cap Set screws 2 pcs Joint assembly Set screws 2 pcs Apply adhesive Threebond 1401N or similar to the thread section of the screw 6 ONDARON 32 E uA ONnN O BAS 311H 56 7 ASSEMBLY 57 14 15 16 17 18 19 20 21 22 Adjust while referring to 7 3 Intermittent presser foot lifter mechanism Motor assembly Bolts 4 pcs Set screws 2 pcs Thread trimmer cam Set screw Set screw Set screws 2 pcs Set screws 2 pcs Temporarily tighten Pulley assembly Tighten the set screw so that the screw stop A on the motor shaft is in the same phase as the screw stop B on the thread trimmer cam Tighten the set screw so that the screw stop C on the upper shaft is at a phase of approximately 180 degrees from the screw stop A on the motor shaft Install the motor assembly 14 so that the harness is facing downward 1 Align the index mark D on the thread trimmer cam 17 and the index mark E on the joint assembly 12 and then provisionally tighten the set screw 18 at the index mark side After tightening the set screw 19 at the screw stop side fully tighten the set screw 18 at the index mark side Carry out the adjustments in 8 10 Adjusting the thread trimmer cam position Apply the specified grease unit SB1
117. lamp specifications Pneumatic method Motor driven work clamp specifications Integrated type work clamp Pneumatic work clamp specifications Separate type work clamp Work clamp height Motor driven work clamp specifications Max 25 mm Pneumatic work clamp specifications Max 30 mm Intermittent presser foot lift amount 22mm Intermittent stroke 2 4 5 mm 4 5 10 mm or 0 Default setting 3 mm Hook Wiper device Double capacity shuttle hook standard shuttle hook sold separately Standard equipment Thread trimmer Data storage method Standard equipment Internal memory Flash memory SD card 2 User programs 900 Cycle programs 30 Motor 550 W AC servo motor Weights Machine head approx 88 kg operation panel approx 0 4 kg Control box 9 kg Differs depending on destination Power source Single phase 110V 220V 230V 3 phase 220V 380V 400V For single phase 110V and three phase 380V 400V the trans box is required Air pressure 0 5 MPa 1 8 I min 1 The number of data items and stitches that can be stored will vary depending on the number of stitches in each program 2 No guarantees of operation can be given for any media BAS 311H 2 NOTES ON HANDLING 2 NOTES ON HANDLING About the machine set up location Do not set up this sewing machine near other equipment such as televisions
118. le ET A T T 37 x 7 3 Intermittent foot lift 5 2 Structure of an SD card folder 37 aetna ee tales 60 5 3 Preparation for reading and writing data 38 7 4 Work clamp lifter mechanism Motor driven 5 4 r 1 Reading additional sewing data 39 work clamp specifications ttre 62 5 5 w 2 Writing additional sewing data to 7 5 Work clamp lifter mechanism pneumatic an SD card LEINER wisi ia shale Mla winiesu tulad a a oie aieis syne e ENDRES SPEER Oy 40 work clamp specifications Aiscin wise eits KAER ue EAEE NIY 65 5 6 r 3 Reading memory switch data 41 7 6 Feed mechanism eetere 67 5 7 w 4 Writing memory switch data to the 7 7 Work clamp arm mechanism 72 SD capd ieeerersesrrerersresrrrrerrrssrerrrressrerrnrenere 42 7 6 Feed covers nia n i n Bae 73 5 8 15 Reading program data e777 een 43 7 9 Lower shaft mechanism eee 74 5 9 w 6 Writing program data to an SD 7 10 Shuttle hook mechanism eee 76 card a Wiehe TE TE T TOSTA ee ea tae ee 44 7 1 1 R Th d t i h IOP er 77 5 10 r 7 Reading sewing machine data 45 ns SE Stee 5 11 w 8 Writing sewing machine data to Gale Jee RUN FRIAS ile ce Walenta i ss AN SD Card crrccetetertteteeeee eet eeee eee eeeneeeeenaas 46 7 13 Thread wiper Mechanism 82 5 12 w 9 Writing error log data and memory 7 14 Auxiliary plates tein 83 switch log data to an SD Card 577777 47 7 15 COVES st etter eet ete eee estes E 84 5 13 Updating the control program version 48 8 AD
119. ll depressed Check if there is a short circuit in the harness Check if connector P12 PEDAL is connected to the motor PCB Reset the depression stroke for the foot switch while referring to 8 25 Setting method for standard depression stroke Foot switch For a two pedal foot switch the connector for the main PCB will be P15 PEDAL Treadle unit two pedal foot switch assembly If E055 is displayed there is a malfunction of the machine head switch Check if the machine head switch is off Check if there is a broken wire in the harness Check if connector P14 HEAD SW is connected to the main PCB Switch assembly machine head If E065 is displayed one of the keys on the operation panel is still depressed Check that there is no incorrect sensitivity when the surface of the panel sheet and the keys are pressed Check that connector P3 PANEL is connected to the motor PCB and that connector P1 MAIN is connected to the panel PCB Operation panel assembly Panel PCB assembly Panel harness If E131 is displayed there is a poor connection of the synchronizer Check that connector P11 RESOLVER and P1 MT ENC is connected to the motor PCB and that connector P6 MT ENC is connected to the main PCB If E401 and E410 is displayed there is a connection fault between the main PCB motor PCB and the panel PCB a b Check LD3 green on th
120. mbers are 1 31 only enabled for independent split mode ON BAS 311H 16 3 FUNCTION SETTINGS nO OOOO ee ET Program settings Setting Settings Setting details Initial Spediication No e range value limits X sewing area setting Not reset during initialization 460 0 150 150 None Units mm Increments of 1 Y sewing area setting Not reset during initialization 461 0 100 100 None Units mm Increments of 1 Enlargement reduction reference point 0 Zoom reference point is the center of the sewing frame 1 Zoom reference point is the sewing start position 2 Zoom reference point is the center of the sewing pattern 3 Front of pattern center 462 0 8 0 None 4 Back of pattern center 5 Back left corner of sewing area 6 Front left corner of sewing area 7 Back right corner of sewing area 8 Front right corner of sewing area The parallel movement amount is stored even when the power is turned off Movement amount is Initialized when program number or 1 enlargement reduction ratio is changed and when power is turned off Movement amount is Initialized when program number or 465 1 3 2 enlargement reduction ratio is changed but not when power is 1 None turned off Set separately for each program Disabled when memory switch No 400 is set to OFF Parallel movement mode cannot be used Select 1 or 2 when memory switch No 400 is set
121. n check that connectors P17 and P21 on the main P C board are properly connected X feed motor stopped due to a problem during sewing E204 Turn off the power and then check if there are any problems in the X feed direction Turn off the power and then check that connectors P17 and P21 on the main P C board are properly connected X feed motor stopped due to a problem while moving to the sewing start position E205 Turn off the power and then check if there are any problems in the X feed direction Turn off the power and then check that connectors P17 and P21 on the main P C board are properly connected X feed motor stopped due to a problem during test feeding E206 Turn off the power and then check if there are any problems in the X feed direction Turn off the power and then check that connectors P17 and P21 on the main P C board are properly connected Y feed motor home position cannot be detected Problem with Y feed motor or poor Y home position sensor connection Turn off the power and then check that connectors P18 P22 and P8 on the main P C board are properly connected E210 Y feed motor stopped due to a problem E211 Turn off the power and then check if there are any problems in the Y feed direction Turn off the power and then check that connectors P18 and P22 on the main P C board are properly connected Y feed motor stopped due to a problem during sewing E214 Turn off the power and t
122. ntermittent stroke range A 2 4 5 mm B 4 5 10mm 0 mm Intermittent presser foot does not move up and down 5012Q 95 BAS 311H 8 ADJUSTMENT lt Stepping clamp connecting rod position adjustment gt 3138B 3380B 6 an b B DP X5 DP X 17 Index mark 8 7 3379B 3381B Loosen the screw 1 and then open the cover 2 2 Loosen the nut 3 and then adjust the position of the stepping clamp connecting rod 4 When the stepping clamp connecting rod 4 is raised the intermittent stroke will increase When the stepping clamp connecting rod 4 is lowered the intermittent stroke will decrease Next adjust the needle bar and presser foot timing 3 Turn the pulley 5 in the direction of the arrow to raise the needle bar from the lowest position until the lowest reference line on the needle bar reference line B is aligned with the lower edge of the needle bar bush 6 If using a DP x 5 needle align with the second reference line from the top reference line b Open the top cover and loosen the two set screws 7 Align the index marks on the stepping clamp cam 8 and the stepping clamp connecting rod 4 and then tighten the two set screws 7 G1 BAS 311H 96 8 ADJUSTMENT Check the following after changing the intermittent stroke 3383B MM Mii 3239B 3382B 1 With the intermittent
123. o 8 20 Adjusting the tension release amount Adjust the thread take up spring height while referring to 8 2 Standard thread tension 3326B 81 BAS 311H ONOARWN gt Tension release bar Retaining ring E Plain washer Spring Tension release solenoid Solenoid setting plate Solenoid cushion Plain washer Nut Bolt Plain washers 2 pcs Spring washers 2 pcs Bolts 2 pcs Screws 2 pcs Solenoid cover Screws 2 pcs Tension release pin Tension bracket assembly Set screw 7 ASSEMBLY 7 13 Thread wiper mechanism Align the thread wiper shaft bracket and the bottom of the arm and then tighten the two bolts with washer 2 D RO D Thread wiper unit Bolts with washer 2 pcs Plain washer Bolt STOP switch harness Thread wiper solenoid harness BAS 311H 3341B 82 7 ASSEMBLY 7 14 Auxiliary plate 1 0 0 56mm 2 3 4 6 8 Needle plate 7 8 9 10 11 After installing carry out the adjustments in 8 22 2 X Y feed home position 3279B Auxiliary plate brackets 4 pcs Bolts with washer 4 pcs Auxiliary plate brackets M 2 pcs Bolts with washer 4 pcs Auxiliary plate brackets L Auxiliary plate brackets R Bolts with washer 4 pcs Auxiliary plate Auxiliary plate cushions 8 pcs Screws 8 pcs Nuts 8 pcs 83 BAS 311H 7 15 Covers NOOR WN gt
124. o 16 Y feed guide that the balls in the ball 17 Bolts 5 pcs bushings are at an angle of 18 Y feed bracket 45 to the surface of the X 19 Cross rollers 2 pcs feed base 20 Y feed guide 21 Set screws 3 pcs 22 Bolts 5 pcs 23 Set screws 3 pcs 24 Y feed guide covers 2 pcs 25 Flat screws 8 pcs 26 Ball bushings 4 pcs 45 27 Retaining rings C 8 pcs 69 BAS 311H 28 Feed bracket assembly 29 X feed shafts 2 pcs 30 Set screws 4 pcs 31 Belt work clamp plate 32 Screws 4 pcs 33 X feed motor L assembly 34 Bolts with washer 3 pcs 7 ASSEMBLY Engage 3272B Install so that the backlash is 0 01 0 05 mm 3273B BAS 311H 70 7 ASSEMBLY 35 Y rack shaft assembly 3274B 36 Bolts with washer 2 pcs Temporarily tighten 37 X feed shaft support Install so that the backlash is 0 01 0 05 mm 38 Y feed motor L assembly 3275B 39 Bolts with washer 3 pcs 71 BAS 311H 7 ASSEMBLY 7 7 Work clamp arm mechanism Pneumatic work clamp specifications Needle hole 3277B Bolts 4 pcs X feed shaft Set screws 2 pcs Bolts with washer 2 pcs Fully tighten Feed plate Bolts with washer 2 pcs Work clamp arm assembly Plain washers 4 pcs Spring washers 4 pcs ON 1 2 3 4 5 After installing carry out test feeding and c
125. off 2404B Contact the place of purchase for information on other reading and writing modes 39 BAS 311H 5 USING SD CARD 5 5 w 2 Writing additional sewing data to an SD card 1 Select the w 2 SD data read write mode ore SE PROGRAM No aE O CAUTION S SECTION No F1 lt gt re TENSION o X scale TY Y scaLe o speen DBE counter F2 E The numbers for the additional sewing data in the sewing machine memory will appear in the tension display The initial value displayed is ALL 2659B Bm oe O N wiPer Ea 3208B 2 4 TENSION Press the or key to select the number for the additional sewing data that you would like to write ALL 001 to 999 When ALL is displayed all of the additional sewing data will be read at once The additional sewing data numbers displayed will ao only be those that are in the sewing machine na PERE data memory If there is no data in the memory ALL will prog pits be the only thing displayed 2656B 3 Press the ENTER key ENTER Stas The buzzer will sound and the selected sewing data will be written to the SD card If no additional sewing data exists an error buzzer While writing will sound gt TENSION EHH Additional sewing data number being written appears in the tension display 2660B 2658B 4 When the display returns to the status in step 1
126. ograms are used OFF None ON Parameters can be set separately for each program Unit display for pattern zoom ratio 402 ON OFF OFF Displayed as OFF None ON Displayed as mm Split mode selection 403 0 1 0 Continuous split mode 0 None 1 Single split mode 405 Cycle program No C01 to C30 display 4 ON OFF OFF Disabled Skipped ON None ON Enabled 7 BAS 311H 3 FUNCTION SETTINGS No Setting Settings Settings details nie ria range value limits F key specifications 0 F keys become direct selection keys for sewing program numbers 101 to 104 F keys become direct selection keys for cycle program numbers 1 C01 to C04 _ 0 2 Selection is possible when memory switch No 400 is set to ON 0 None F keys become shortcut keys for program numbers which have been assigned to the keys 2 F1 Setting number for memory switch No 407 F2 Setting number for memory switch No 408 F3 Setting number for memory switch No 409 F4 Setting number for memory switch No 410 Assignment number to F1 key are 100 999 C01 C30 101 None Assignment number to F2 key gi 100 999 C01 C30 we Nene Assignment number to F3 key oe 100 999 C01 C30 103 None Assignment number to F4 key ee 100 999 C01 C30 104 None 4 If there are no valid sewing programs when memory switch No 405 is set to OFF only the standard program numbers are display
127. oo D the foot switch to the 2nd st fi t dal foot 2nd step 5 PROGRAM No aru V switch depress the start switch Home position detection for the X feed or Y feed motor will be carried out based on the currently displayed offset value orG will illuminate in the PROGRAM No display If you would like to reset press the RESET key for 2 seconds or more at this time Then the offset value will be reset to O and home position detection for the X feed or Y feed motor will be carried out 7 RESET 4441Q 2791B 2634B 105 BAS 311H 8 ADJUSTMENT if the offset For example value is 5 gt gt STEP TENSION Remove the feed plate Parts No 2 SA6640 101 Place the rear edge of the home position reference plate 1 against the stepped part shaded section A of Y feed bracket 2 and use a 2 mm diameter pin Such as a needle to align the hole in the home position reference plate 1 with the hole in Y feed bracket 2 then tighten the two bolts 3 Press the A or W key to set the offset value 50 to 50 so that the needle drops to the center of the mark B on the home position reference plate The X feed or Y feed motor will operate according to the offset value The offset value in the menu display will flash and JoG will illuminate in the TENSION display 38258B 2793B 2794B 2795B BAS 311H Continued on next page
128. ot lower Probable causes Check repair adjust Parts to be replaced 1 Incorrect work clamp home position adjustment a Adjust the home position while referring to 8 22 Adjusting the home position b Check if the work clamp button clamp is touching anything 2 Incorrect mechanism adjustment Check if the work clamp arm moves smoothly Work clamp arm assembly Error status 11 The TEST indicator does not light when the TEST key is pressed Probable causes Check repair adjust Parts to be replaced Malfunction of panel PCB Check that connector P3 PANEL is connected to the motor PCB and that connector P1 MAIN is connected to the panel PCB Panel PCB assembly Panel harness Error status 12 The feed mechanism does not slowly move stitch by stitch during test feeding Probable causes Check repair adjust Parts to be replaced 1 Incorrect memory switch setting Set memory switch No 200 to OFF 2 Malfunction of foot switch and cord Error status 13 Quick feeding cannot be performed during test feeding See 4 Probable causes Check repair adjust Parts to be replaced Malfunction of foot switch and cord See 4 Error status 14 The machine does not operate correctly for the set program test feeding Probable causes Check repair adjust Parts to be replaced Malfunction of foot swi
129. pe Eliminates electrical noise that is transmitted along the power supply line Panel PCB Secured inside the operation panel This PCB controls indications of the machine status and the input operation Control box Operation panel Main PCB Motor PCB Panel PCB O enone ennn ooo fo coo P cooo oO mn 0 Power PCB 3211B BAS 311H 114 10 ELECTRIC MECHANISM 10 3 Fuse explanation When replacing a fuse be sure to use the specified ones listed below If a component on a PCB is damaged the fuses may blow again soon even after they have been replaced No Part name Part code When a fuse has blow F1 G fuse 10A 250V J04417 001 The power indicator is not illuminated and nothing F2 Glass tube fuse 10A 250V operates Motor PCB XT5 XT6 XT4 LD3 Relay signal yellow green XT2 LD2 300V power supply red XT3 IPM error signal orange P12 mY PEDAL P6 POWER 2 E P11 oa T ca mg Siam P4 P3 P2 P1 POWER 3 PANEL MAIN MT_ENC 2930B 115 BAS 311H 10 ELECTRIC MECHANISM 10 4 Description of connectors A large number of problems are often caused by connectors that are not inserte
130. ping clamp arm F 8 to the presser adjusting screw 26 to 32 mm position of the straight line in the illustration 2 Place a bushing in between stepping clamp arm F 8 and stepping clamp arm R 9 so that there is no play and then tighten the bolt 10 10 At the needle bar timing position align Notes on the installation position the index marks of the stepping clamp Refer to 8 16 Adjusting the intermittent cam and the stepping clamp connecting work clamp rod and then tighten the set screws 7 18 Set screws 2 pcs Inside 8 Stepping clamp arm F 19 hole 9 Stepping clamp arm R 10 Bolt 11 Presser bar clamp 12 Presser bar 13 Bolt Temporarily tighten 14 Stepping clamp lifter link 15 Washer 16 Link shaft with retaining ring 17 Set screw 18 Shoulder screw 19 Screw 20 Shoulder screw 21 Screw 22 Presser bar spring collar 23 Presser bar spring 24 Presser bar spring guide 25 Adjusting screw nut 26 Presser adjusting screw 27 Presser foot 7 28 Plain washers 2 pcs Tighten the set screw 17 on the screw stop 29 Finger guard while lightly pressing the link shaft 16 30 Screw Temporarily tighten 3373B 61 BAS 311H 7 ASSEMBLY 7 4 Work clamp lifter mechanism Motor driven work clamp specifications Apply grease lt Grease unit SB1275 101 gt specified by Brother to the portions indicated by the white arrows
131. presser foot 1 lowered turn the pulley 2 in the direction of the arrow to move the intermittent presser foot 1 to its lowest position 2 Check that the presser foot 1 does not touch the needle plate and that the presser bar clamp 3 does not touch the presser bar bush 4 lt lf they are touching gt Remove the motor cover 5 Loosen the nut 6 and turn the bolt 7 until it is pressing against the intermittent drive lever 8 and then adjust until the two points mentioned above are not touching 97 BAS 311H 8 ADJUSTMENT 8 17 Adjusting the work clamp lift amount lt Motor driven work clamp specifications gt The operation panel settings can be used to adjust the height to within 15 25 mm Refer to 5 5 Setting the work clamp lift amount in the instruction manual lt Pneumatic work clamp specifications gt The maximum lift amount for the work clamp is 30 mm above the surface of the needle plate 1 3 du 30mm 5018Q 3143B 1 Turn on the air and then depress the clamp switch 1 to raise the work clamp 2 2 Loosen the two bolts 4 of the work clamp arm lever 3 and move the work clamp arm lever 3 up or down to adjust 8 18 Adjusting the air pressure pneumatic work clamp specifications Lift up the handle 2 of the regulator 1 and then turn it to D adjust the air pressure to 0 5 MPa After adjustment is complete push the handle 2 downward 2 to lo
132. ps and sewing starts only when work clamp switch is depressed 7 Work clamp drops and sewing starts only by depressing the work None clamp switch Starting sewing is also possible by using the start switch BAS 311H 10 3 FUNCTION SETTINGS No Setting range Settings Settings details Initial value Specification limits 073 1 3 times Work clamp operation when three pedal foot switch is set Can be set when memory switch No 70 is set to 3 Not displayed at other Not reset during initialization Standard Pneumatic method The left pedal raises and lowers the left work clamp and the right pedal center raises and lowers the right work clamp The start switch right starts the sewing machine Motor driven method Solenoid ist step when left pedal is depressed 2nd step when right center pedal is depressed invalid for single step work clamp The start switch right starts the sewing machine Independent home detection The right pedal center is used exclusively for detecting the home position The left pedal raises and lowers the left and right work clamps and the start pedal right starts the sewing machine The start switch right starts the sewing machine Independent home detection The right pedal center is used exclusively for detecting the home position The left work clamp only is raised and lowered when the left
133. r driven work clamp specifications gt The offset value in the menu display will flash and JoG will illuminate in the PROGRAM No display Touch the bottom of the work clamp lifter plate and check the position where it starts to lower 5 Press the A key once to reduce the offset value by 1 For example if the offset value is 2 a PROGRAM No LIE The work clamp lifter plate 1 will move in conjunction with the setting value 5206Q 2800B 2801B 2899B lt Pneumatic work clamp specifications gt 1 Remove the rear cover align the index marks of the work clamp cam gear 2 and the work clamp driving gear 3 to the center line and then press the Aor y key to change the offset value 999 999 The offset value in the menu display will flash and JoG will illuminate in the PROGRAM No display Index mark 2 Press the A key once to reduce the offset value by 1 For example if the offset value is 2 a PROGRAM No LIE The work clamp driving gear 3 will move in conjunction with the setting value 5207Q 2800B 2801B 2899B 103 BAS 311H 8 ADJUSTMENT 2nd step Depress the foot switch to the 2nd step for a two pedal foot switch depress the start switch to provisionally confirm the offset value Home position detection for the work clamp lift motor will be carried out based on the currently displayed offset value JoG will disappear from
134. rimmer solenoid is turned ON a rEL Turns on the tension release solenoid digital tension solenoid 2 l 62 FdtEn However in the case of digital tension the solenoid turns on at the tension that has i been set 63 WiP The wiper solenoid is turned ON 64 oP 1 Option output 1 turns ON 65 oP 2 Option output 2 turns ON 66 oP 3 Option output 3 turns ON 67 oP 4 Option output 4 turns ON 68 oP 5 Option output 5 turns ON 69 oP 6 Option output 6 turns ON 70 oP 7 Option output 7 turns ON 71 oP 8 Option output 8 turns ON 72 oP 9 Option output 9 turns ON 73 oP10 Option output 10 turns ON 74 oP 11 Option output 11 turns ON 75 oP17 Option output 17 turns ON 76 oP18 Option output 18 turns ON 77 oP19 Option output 19 turns ON 78 oP20 Option output 20 turns ON 1 Applies for pneumatic work clamp specifications when corresponding devices are installed 2 Can be determined automatically using a connector shorting pin BAS 311H 30 3 FUNCTION SETTINGS 3 9 Confirming software version 4 3 2 1 OYCAUTION S SECTION No o X xscale oY Y scALE RESET ff o sPeED gt TENSION o JEE counter O N wiPeR ia Cae y ucuti UZE SELECT N 3201B 1 If you turn on the power while pressing the A key 1 the software version will be displayed in
135. rrectly Install the needle so that it faces correctly CD Instruction manual Thread is not threaded correctly Damage or burring in parts such as the rotary hook needle hole plate needle or thread path Needle and rotary hook timing is incorrect Thread the thread correctly Repair the respective part by buffing it Alternatively replace the part Adjust the timing CD Instruction manual P 88 Upper thread tension is too strong Reduce the upper thread tension CD Instruction manual Thread take up spring tension is too strong Reduce the tension of the thread take up spring P 87 Thread breaks due to heat Use a needle cooler unit optional Reduce the sewing speed CD Instruction manual Lower thread is breaking Damage to the needle hole plate or bobbin case Repair the respective part by buffing it Alternatively replace the part Lower thread tension is too strong Reduce the lower thread tension CD Instruction manual Needle breaks Upper thread is not cut Lower thread is not cut Needle is bent Replace the needle CD Instruction manual Needle is too thin Select a needle that is suitable for CD Instruction incorrect the sewing conditions manual Needle and rotary hook tip are Adjust the driver needle guard P 88 touching Adjust the needle clearance P 89 Needle and rotary hook timing is Adjust
136. rror Clear the sewing data 145 BAS 311H 11 LIST OF ERROR CODES Data editing related errors Code Cause of error and remedy The enlargement ratio setting caused the sewing data to extend outside the sewing area E500 Set the enlargement ratio again Press the RESET key to clear the error The enlargement ratio caused the data pitch to exceed the maximum pitch of 12 7 mm E502 Press the RESET key to clear the error Set the enlargement ratio again Error in sewing data E510 Press the RESET key to clear the error If an error occurs while reading or revising the sewing data revise the data No end code has been input into pattern data Espl Press the RESET key to clear the error E512 Number of stitches exceeds allowed maximum Press the RESET key to clear the error Memory switch file cannot be read correctly E581 The model for the data which was read does not match the model being written to Press the RESET key to clear the error Read data for the same sewing machine model Memory switch versions do not match E582 Press the RESET key to clear the error Read data for the same version User program versions do not match E583 Press the RESET key to clear the error Read data for the same version Device related errors Code Cause of error and remedy Upper thread breakage occurred Thread the upper thread Re sewing is then possible E600 Turn off the
137. rror code E200 appears on the display When the error code E210 appears on the display When the error code E300 appears on the display Does the work clamp rise Note If you depress to the foot switch to the 2nd position the machine will start For a two pedal foot switch depress the start switch Depress the foot switch to the first position and release it Does the work clamp rise after it has lowered 3321B 123 BAS 311H 10 ELECTRIC MECHANISM Confirm that the program is set to the Turn on the power number ordinarily used Press the TEST key Is the TEST indicator lit Note For a two pedal foot switch depress the work clamp switch and then depress the start switch Depress the foot switch to the second position and release it Dose the feed mechanism slowly move stitch by Depress the foot switch to the first position Does the feed mechanism move quickly Does the tension release operate Release the foot switch Does the machine operate correctly for the set program and return o the swing start position YES Press the TEST key to turn off its indicator W 3322B BAS 311H 124 10 ELECTRIC MECHANISM Confirm that program is set to the number Turn on the power ordinarily used Depress the foot switch to the second position and release it
138. seurue XxX oN wren Fa With the foot switch depressed all the way backward wait until the value in the TENSION display stabilizes and then press the ENTER key 3399B 5 Completion of setting VEJ PROGRAM No ren 7 gt gt vone TE me y lt lt CYCAUTION S SECTION No o X xscme py a o PY Y scALE RESET ze o amp seep TENSION a o E counter of o SPLITNo TEST ae H o Sb wrer END will be display in the menu display NOTE If the foot switch operations are not carried out correctly END will not be displayed and the buzzer will sound After 1 Frt is displayed in the menu display repeat the operation from step 2 3400B 6 Turn off the power BAS 311H 110 9 APPLYING GREASE FEED MECHANISM 9 APPLYING GREASE FEED MECHANISM A CAUTION Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your skin If the oil and grease get into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children If you are frequently sewing heavy weight materials using the sewing machine for long periods or using the sewing machine in places where there is a lot of dust it is recommend that you apply grease to main
139. spacers t 0 2 0 3 0 4 so that the knives trim the thread accurately If the knife pressure is too weak and the thread is not completely cut use a thinner movable knife spacer If the knife pressure is too strong and the movable knife 6 turns stiffly use a thicker movable knife spacer Apply grease to the pin 12 place it into the movable knife connecting plate 13 and install it to the needle plate 5 8 Check that the needle is aligned with the center of the needle hole gR N BAS 311H 92 8 ADJUSTMENT 8 13 Installing the feed plate Index mark NOTE Install the feed plate 1 so that the surface with the index mark U is facing upward Place the rear edge of the feed plate 1 against the stepped part of base plate Y 2 shaded section A and use a 2 mm diameter pin such as a needle to align the hole in the feed plate 1 with the hole in base plate Y 2 then tighten the two socket bolts 3 93 BAS 311H 8 ADJUSTMENT 8 14 Adjusting the thread wiper 5 Approx 2 mm 15mm Approx 3 mm 3136B 5008Q 5009Q 1 Loosen the two screws 3 and shift the entire solenoid setting plate 4 up or down to adjust so that the thread wiper 2 is 15 mm in front of the needle center when the plunger 1 of the thread wiper solenoid is driven to the full stroke 2 Loosen the screw 5 and adjust the position of the thread wiper 2 so that the distance from the thread wiper 2
140. specifications 17nn nnns 98 8 19 Belt tension adjustment Caneta kyakimun ankan NEk 99 8 20 Adjusting the tension release amount 100 8 21 Adjusting the backlash of the lower shaft elete e 101 8 22 Adjusting the home position veevee 102 8 22 1 Work clamp lift home position 102 8 22 2 X Y feed home position vvveves s 105 8 23 Adjusting the motor standard position 108 8 24 Adjusting the needle up stop position 109 8 25 Setting method for standard depression strokes Foot switch OEE dah Seueaismabaree sous oe 110 9 APPLYING GREASE FEED MECHANISM 411 BAS 311H 1 SPECFICATIONS 1 SPECFICATIONS S Motor driven work clamp A Pneumatic work clamp 3 Medium weight materials 5 Heavy weight materials 7 Seatbelt 3190B Sewing machine Lock stitch pattern tacking sewing machine with large shuttle hook Stitch formation Single needle lock stitch Max sewing speed 2 800 sti min Max sewing area XxY 150 x 100 mm Feed mechanism Intermittent feed pulse motor drive Stitch length 0 05 12 7 mm No of stitches Maximum No of stitches No of sewing data items that can be stored 500 000 stitch internal memory 1 20 000 stitches per program Internal memory 512 1 SD card 900 Work clamp lift method Motor driven work clamp specifications Pulse motor drive method Pneumatic work c
141. ssembly Panel harness 2 Main software not installed correctly Carry out the restore operation by referring to 5 13 Updating the control program version Error status 4 Work clamp does not return to the home position even after the foot switch is depressed Probable causes Check repair adjust Parts to be replaced 1 Incorrect depression position Adjust the home position while referring to 8 25 harness option P15 PEDAL 1 2 3 4 5 6 7 2716B the foot switch adapter harness to the foot switch and measure the voltage between pins 1 2 and 3 4 of connector P15 PEDAL of the main PCB Check between pins 5 6 if using a two pedal foot switch Touch the ohmmeter against the lead wires without disconnecting the connector OK if the resistance is normally ohms but 0 ohms when depressed adjustment Setting method for standard depression strokes Foot switch 2 Malfunction of treadle unit With the motor PCB connector P12 PEDAL Foot switch P12 connected turn on the power and measure the PEDAL voltage between pins 3 4 of the cord connector No 3 No 4 OK if the voltage is approximately 2 V at neutral DCV approximately 4 V when the foot switch is depressed as far as it will go and approximately 0 5 V when it is depressed backward 2714B 3 Malfunction of foot switch and cord Check that the power is turned off Foot switch option
142. ta for this sewing data number is present on the SD card An error occurred while reading from the SD card Check the data E422 When reading BAS 311G user programs first read the sewing data Press the RESET key to clear the error Check the data on the SD card Insufficient free space on the SD card E424 Press the RESET key to clear the error Use a different SD card An error occurred while writing to the SD card Check the SD card E425 The card may be write protected Press the RESET key to clear the error Use the specified type of SD card The program containing the specified cycle program has been cleared E427 Press the RESET key to clear the error Redo the cycle program Data cannot be backed up to the main P C board E430 Turn off the power and then turn it back on again E440 Data cannot be backed up to the main P C board Turn off the power and then turn it back on again E450 Model selection cannot be read from the machine head memory Turn off the power and then check that connector P16 on the main P C board is properly connected E452 Machine head memory is not connected Turn off the power and then check that connector P16 on the main P C board is properly connected E453 Problem with data in machine head memory Turn off the power and then turn it back on again Internal memory is full and copying is not possible E474 Press the RESET key to clear the e
143. tain the performance of the feed mechanism lt Applying grease gt Use Brother specified Grease unit SB1275 101 Ask the place of purchase for details on obtaining these items 1 Using the tube 3220B Sa 2 Removing the feed plate 3221B Loosen the two bolts 1 and then remove the feed plate 2 NOTE Never loosen or remove any bolts other than the bolts which are securing the feed plate 2 111 BAS 311H 9 APPLYING GREASE FEED MECHANISM 3 Applying grease 3222B 3224B Push the work clamp arm 3 all the way to the rear edge and then apply grease to groove A 3223B 3225B Push the work clamp arm 3 all the way to the front edge lift up the bellows 4 and then apply grease to groove B 4 Install the feed plate Refer to the CD Instruction Manual 10 11 Installing the feed plate BAS 311H 112 10 ELECTRIC MECHANISM 10 ELECTRIC MECHANISM A DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before AN opening the face plate of the control box Touching areas where high voltage are present will result in serious injury from electric shocks 10 1 Precautions at the time of adjustment Pay attention to the following when opening the control box for maintenance Electric shock Some large
144. tch and cord See 4 135 BAS 311H 10 ELECTRIC MECHANISM Error status 15 Tension release does not operate during test feeding Probable causes 1 Poor connector connection Check repair adjust Check that main PCB connector P3 SOL2 is connected Parts to be replaced 2 Malfunction of tension release solenoid 2727B 0651D Disconnect main PCB connector P3 SOL2 and measure the resistance between pins 1 2 of the cord connector OK if 6 8 ohms a Turnon the power switch and check LD2 green on the main PCB OK if illuminated b With connector P3 SOL2 disconnected from the main PCB check the continuity between terminals 1 and 2 of connector P3 on the main PCB OK if co ohms c With main PCB connector P3 SOL2 connected turn on the power and carry out sewing and measure the voltage between pins 1 2 of connector P3 SOL2 OK if there is voltage output change during sewing Tension release solenoid Main PCB assembly 311H Error status 16 The machine does not operate during sewing and the error code E130 E131 or E132 appears on the display Probable causes Check repair adjust Parts to be replaced Malfunction of synchronizer upper shaft motor fuses or motor PCB Refer to steps 1 to 4 in 5 BAS 311H 136 10 ELECTRIC MECHANISM Error status 17 Error code appears on the display after
145. the TENSION display 4441B Repeat steps 5 and 6 to set the home position to the correct position p ENTER Press the ENTER key to confirm the offset value The offset value will illuminate in the menu display If the offset value has not been provisionally confirmed if JoG is illuminated the invalid buzzer will sound 2414B Exit adjustment mode of TEST TEST indicator switches off Press the TEST key The display will return to the normal display and the sewing machine will switch to home position detection standby 2404B 10 Turn off the power switch BAS 311H 104 8 ADJUSTMENT 8 22 2 X Y feed home position 4 With the power switch turned off turn the pulley in the direction of the arrow to set the needle up stop position near the highest thread take up position 2 While pressing the AW keys simultaneously turn on the power switch OfcauTION S SECTION no ReX x scaLe aa Ro F1 BESE RESET i F2 ie Fes orG will flash in the PROGRAM No display and the ZIETENSION T ae F3 currently recorded offset value will be displayed in the 0O SPLIT No S 2 alle x ees Pa menu display 3256B 2789B 3 Press the SELECT key so that either the X SCALE indicator or the Y SCALE indicator illuminates tee X x 307 A XSCALE O TY Y ScaALeE SELECT 2790B 2401B epress the foot switch to the 2nd step for a two pedal f
146. the flow of each operations given 6 1 Needle bar and thread take up mechanisms 3246B Motor assembly Upper shaft Thread take up crank Needle bar crank 4 Needle bar lt 5 gt Thread take up lever connecting rod assembly 6 Needle bar clamp lt 6 gt Thread take up 7 Needle bar support 6 2 Lower shaft and shuttle race mechanisms 3247B Motor assembly Upper shaft Crank rod assembly Rock gear Lower gear Lower shaft Driver Shuttle hook ONOoaARBRWDNDN 49 BAS 311H 6 MECHANICAL DESCRIPTIONS 6 3 Work clamp lifter mechanism Motor driven work clamp specifications 3249B ONO R WN gt Work clamp pulse motor Work clamp driving gear Work clamp cam gear Work clamp cam Work clamp driving lever Work clamp lifter link Work clamp lifter lever Work clamp lifter plate assembly 3248B 9 Slider 10 Work clamp lifter lever 11 Connecting rod 12 Connecting link 13 Work clamp lifter lever 14 Work clamp BAS 311H 50 6 MECHANICAL DESCRIPTIONS 6 4 Work clamp lifter mechanism Pneumatic work clamp specifications 3250B Air cylinder Work clamp lifter lever Work clamp arm lever Work clamp plate PLO Do 6 5 Intermittent presser foot lifter mechanism Work clamp pulse motor Work clamp driving gear Work clamp cam gear Stepping foot driving lever Stepping clamp lifter rod Stepping clamp l
147. the foot switch is depressed by mistake the sewing machine might start operating and injury could result Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your skin If the oil and grease get into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children Maintenance and inspection Maintenance and inspection of the sewing machine should only be carried out by a qualified technician Ask your Brother dealer or a qualified electrician to carry out any maintenance and inspection of the electrical system Turn off the power switch and disconnect the power cord before carrying out the following operations If the foot switch is depressed by mistake the sewing machine might start operating and injury could result Inspection adjustment and maintenance Replacing consumable parts such as the rotary hook Disconnect the air hoses from the air supply and wait for the needle on the pressure gauge to drop to 0 before carrying out inspection adjustment and repair of any parts which use the pneumatic equipment A Q BAS 311H Hold the machine head with both hands when tilting it back or returning it to its original position Furthermore do not apply excessive force when tilting back
148. the menu display 2 2 The PROGRAM No display 4 will change as follows each time the A or V key 3 is pressed PROGRAM No display 4 Software Menu display 2 example 1 Mn Main control program 1 0 00 2 Mt Motor control program 1 00 3 PL Panel control program 1 00 4 in Main IPL 1 00 5 it Motor IPL 1 00 6 iL Panel IPL 1 00 3 Press the TEST key 5 to return to the normal display The sewing machine will switch to home position detection standby 31 BAS 311H 3 FUNCTION SETTINGS 3 10 Protection settings There are two ways which can be used to switch to protect setting mode Method A which does not require an SD card and Method B which requires an SD card If you want to set up the sewing machine so that these modes cannot be distinguished it is recommended that you set the method to Method B If using an SD card read the section titled 5 1 Notes on handling SD cards commercially available Method A 1 While pressing the RESET key 1 and the TEST key 2 and the ENTER key 3 turn on the power switch The previous protection level OFF 1 to 7 will appear in the menu display 4 The protection level is set to OFF at the time of shipment from the factory 6 7 4 5 Otcaution S SECTION No T o amp X SCALE F1 8 o E o E oc amp sre TENSION MBE counter 2 Za o sPuTno
149. the timing P88 Feed timing is too slow Advance the feed timing stitch is being skipped Lower thread tension is too weak Movable knife is blunt Replace the movable knife with a P 90 new one P 92 Fixed knife is blunt Sharpen the fixed knife or replace it P92 with a new one Adjust the timing Movable knife is not picking up the SERAY P 88 upper thread Adjust the standby position of the P90 movable knife Movable knife is not picking up the needle thread because the last Refer to Skipped stitches occur P 149 Increase the lower thread tension CD Instruction manual BAS 311H Continued on next page 150 12 TROUBLESHOOTING Problem Cause Remedy Reference Upper thread is not tight Ul Ue We UUR Ulla K WA A SSS GES 0573M Needle is too thin Select a needle that is suitable for the sewing conditions CD Instruction manual Hole diameter in needle hole plate is too small Replace the needle hole plate with one with a larger hole diameter Feed plate is too thin Use a thicker feed plate Recommended thickness 1 5 mm Hole diameter of intermittent work clamp is too small Replace the intermittent work clamp with one with a larger hole diameter Sliding parts of outer rotary hook and inner hook have little or no sewing machine oil Lubricate the felts for the sliding parts of the outer rotary hook and inner hook
150. ting was detected while the sewing machine was operating E051 Turn off the power and then check that connector P14 on the main P C board is properly connected Machine head tilting was detected when the power was turned on E055 Turn off the power and then return the machine head to its original position Check that connector P14 on the main P C board is properly connected An operation panel key was still being pressed when the power was turned on or key is faulty E065 Turn off the power and check the operation panel 141 BAS 311H 11 LIST OF ERROR CODES Motor related errors Code Cause of error and remedy Needle bar did not stop at the needle up stop position when the sewing machine stopped E111 Turn off the power and then check that connectors P11 and P1 on the motor P C board and connector P6 on the main P C board are properly inserted Thread trimming was not completed E121 Turn off the power and then check if the cutting edges of the fixed knife and movable knife are damaged or worn Upper shaft motor stopped due to a problem or synchronizer is faulty Turn off the power and then turn the pulley and check if the sewing machine has locked up E130 Check that connectors P11 and P1 on the motor P C board connector P6 on the main P C board and connector P4 on the upper shaft motor P C board are properly inserted E131 Synchronizer is not connected correctly Turn off t
151. to OFF Retract point switching at parallel movement point 468 on OFF OFF _ Disable OFF None ON The position moved to by parallel movement is recorded as the retract point 17 BAS 311H 3 FUNCTION SETTINGS Device settings No Setting Settings Setting details Initial Specification range value limits Needle cooler device 0 Disable 550 0 2000 400 Needle cooler device is used 0 None 2000 Continuous output time after sewing machine stops ms Increments of 100 Upper thread tension release at the sewing start 551 0 3 0 Not released 0 None 1 3 Released during the specified number of stitches Tension release timing during thread trimming 0 552 80 8 0 3 Medium weight material specifications ae None 5 Heavy weight material specifications S 7 24 7 Seatbelt specifications C7 Thread breakage sensor 554 ON OFF OFF Disable OFF None ON Fiber type thread breakage sensor is used Thread breakage sensor detection sensitivity 555 ON OFF OFF 5 stitches at sewing start 3 stitches while sewing OFF None ON 10 stitches at sewing start 3 stitches while sewing Inner clamping device Option output No 13 Not reset during initialization 0 Disable Inner clamping device is used 1 Retract operation is carried out at the sewing end to prevent 556 0 3 interference with the needle 0 None 2 Inn
152. uction manual Sewing start speed is too fast Adjust the sewing start speed CD Instruction manual Skipped stitches occur Rotary hook tip is missing Needle is too thin Needle is too thick Replace the part Select a needle that is suitable for the sewing conditions CD Instruction manual Needle is bent Replace the needle CD Instruction incorrect Material is flapping manual Install the needle so that it faces CD Instruction Needle is not installed correctly correctly manual Needle and rotary hook tip are 7 touching Adjust the driver needle guard P 88 Clearance between needle and rotary hook tip is too large Adjust the needle clearance P 89 Needle and rotary hook timing is Adjust the timing P88 Replace the needle hole plate with one with a smaller needle diameter Use a thinner feed plate Recommended thickness 1 5 mm Process the work clamps and the feed plate into shapes that can hold the material near the seam CD Instruction manual Adjust the intermittent height of the intermittent work clamp CD Instruction manual 149 BAS 311H Continued on next page 12 TROUBLESHOOTING Cae ET Problem Cause Remedy Reference Upper thread is breaking Thread is too thick for the needle Select a thread which is suitable for the needle CD Instruction manual Needle is not installed co
153. while avoiding the center of the clamped area None 255 ON OFF OFF Y feed full stroke movement operation Y feed full stroke movement operation does not occur when home position detection is carried out immediately after the power is turned on ON Y feed full stroke movement operation occurs when home position detection is carried out immediately after the power is turned on ON None 260 80 80 Changes the overall feed timing 80 Early lt 80 Late Units degree Increments of 1 None 4 Only enabled when memory switch No 200 is set to OFF 2 The start switch is disabled Cannot be set when memory switch No 650 is set to 2 BAS 311H 14 3 FUNCTION SETTINGS Setting Settings Setting details Initial Specification No es range value limits Changes the feed timing for the 1st stitch at the sewing start 261 80 80 80 Early 80 Late 0 None Units degree Increments of 1 Changes the feed timing for the 2nd stitch at the sewing start 262 80 80 80 Early 80 Late 0 None Units degree Increments of 1 Changes the feed timing for the 3rd stitch at the sewing start 263 80 80 80 Early 80 Late 0 None Units degree Increments of 1 Changes the feed timing for the 3rd stitch before the sewing end 264 80 80 80 Early 80 Late 0 None Units degree Increments of 1 Changes the fe
154. within 10 of the rated voltage for the machine Voltage fluctuations which are greater than this may cause problems with correct operation The power supply capacity should be greater than the requirements for the sewing machine s power consumption Insufficient power supply capacity may cause problems with correct operation QO i pneumatic delivery capability should be greater Q the requirements for the sewing machine s total air consumption Insufficient pneumatic delivery capability may cause problems with correct operation The ambient temperature should be within the range of 5 C to 35 C during use Temperatures which are lower or higher than this may cause problems with correct operation The relative humidity should be within the range of 45 to 85 during use and no dew formation should occur in any devices Excessively dry or humid environments and dew formation may cause problems with correct operation In the event of an electrical storm turn off the power and disconnect the power cord from the wall outlet Lightning may cause problems with correct operation Installation Machine installation should only be carried out by a qualified technician Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done The sewing machine weights approximately 88 kg The installation should be carried out by two or more people Do not connect the power cord until inst
155. writing of the additional sewing data is complete If you would like to use any other read write modes press the A or V key to select the mode and then run it 5 Exit read write mode of TEST TEST indicator switches off 2404B Press the TEST key BAS 311H 40 5 USING SD CARD 5 6 r 3 Reading memory switch data 1 Select the r3 SD data read write mode YJ PROGRAM No 2661B 2 Press the ENTER key EJ PROGRAM No j ENTER 2414B The buzzer will sound and the memory switch data While reading will be read from the SD card and stored in the sewing gt TENSION machine memory and the memory switch settings will then be applied MEM appears in the tension If no memory switch data exists an error buzzer will display sound 2662B 2663B 3 When the display returns to the status in step 1 reading wy PROGRAM No of the memory switch data is complete If you would like to use any other read write modes press the A or V key to select the mode and then run it 2661B 4 Exit read write mode Press the TEST key 5 TEST TEST indicator switches off 2404B 41 BAS 311H 5 USING SD CARD 5 7 w 4 Writing memory switch data to the SD card 1 Select the w4 SD data read write mode QE PROGRAM No 2664B 2 Press the ENTER key EJ PROGRAM No j ENTER 2414B The buzzer will sound and the memory switch d

BAS-311H - Brother

Contents

Download Pdf Manuals

Related Search

Related Contents