AHD31K（JK900A）User Manual
Contents
1. or to choose speed levels press each time the speed will be one level faster or slower After speed setting press P to save and exit Up Correction Needle Position Setting Press P and press button or press button four times to choose LEB to display the letter b as in the following figure Fig 9 b Fig 9 Press P to start up correction needle position setting press or to set the parameter 0 signifies up needle position signifies correction needle position After setting press button P to save Setting number of pre fixed sewing After pressing button P press button two times or press button three times LED will display the letter C as the following figure Fig 10 Page 4 of 8 Fig 10 Press button P to start fixed sewing setting and press or to set the number of fixed sewing Number of fixed sewing setting range is 0 9 0 signifies no fixed sewing set 1 9 signifies number of fixed sewing After setting press button P to save Setting number of post fixed sewing 66 After pressing button P press button three times or press button two times LED will display the letter d as in the following figure Fig 11 Fig 11 Press button P to start fixed sewing setting and press or to set the number of fixed sewing Numbe2. Fig 3 2 end back pa Ssa start and end back tacking Fig 3 4 e o Bge Fig 3 3 Start End Back Tracking setting Start back tracking setting Under operator mode see Fig 6 1 press a key once the LED will display and the first light is bright see Fig 6 2 it express start back tracking mode is selected Press key again will cancel the start back tracking mode see Fig 4 3 IE The firstlights MIE NO light bright ally Fig 4 1 Fig 4 2 Fig 4 3 a End back tracking setting Under operator mode see Fig 5 1 express key once the LED will display and the third light is bright see Fig 5 2 it express end back tracking mode is selected Press a key again will cancel the end back tracking mode Page 2 of 8 see Fig 5 3 a Y Fig 5 1 Fig 5 2 Fig 5 3 Start end back tracking setting Under operator mode see Fig 6 1 press a key and key the LED will display and the first and third lights are bright see 2 Fig 6 2 it express start end back tracking mode is selected Press M i and key again will cancel the start end back tracking mode see Fig 6 3 o 5 o 5 o 9 we Bw l o Fig 6 1 Fig 6 2 Fig 6 3 When there is a failure the error code will flash As is shown in the following figure the error codes are 08 Fig 7 1 and 11 Fig 7 2 respectively ar Fig 7 1 Fig 7
3. 2 Temporary speed setting During idle mode The user can adjust temporary speed by Bey or key Press Bey Temporary speed can be increased Temporary speed max speed can be set to Level of A setting Press key The temporary speed can be decreased minimum speed can be set to 200rpm The speed can be set default after resetting power Page 3 of 8 4 Parameter Adjustment Instructions There are three buttons under the digital tube one is P one is the other is Under status display continue press P key the parameter setting mode will start Ain appear signifying A parameter Now if press and you can change parameter index there are altogether 5 parameters A b C d and E are displayed in a circle which are shown as A H E d E they signify speed levels up correction needle positioning number of forward backward fixed sewing and solenoid output setting respectively If press vyou can change parameter index too but there are altogether 5 parameters E d C b and A are displayed in a circle which are shown as d E H A Detailed setting shall be done as the following Speed Level Setting Speed selection scope is 1 9 with slowest and 9 fastest Maximum speed is set by HMI and the operator cannot set it Press button P once LED will display A shown as the following figure Fig 8 A Fig 8 Press button P again to start speed setting then press button
4. after 30 seconds to see if it checking circuit works well If not try several more times If such failure failure happens frequently seek technical support Disconnect the controller power check if the motor input plug is off loose or damaged or if there is something twined on the locked motor roller machine head After checking and correction if the system still does not work please replace the controller and inform the manufacturer Turn off the system power check if the white brake resistance plug on the power board is loose or dropped off fasten it and restart the system If it still does not work please replace the controller and inform the manufacturer Check if the connecting line between control panel and HMI communication controller is off loose or broken restore it and restart the failure system If it still does not work please replace the controller and inform the manufacturer Check if the connection line between machine head machine head needle synchronizer and controller is loose or not restore it and restart positioning failure the system If it still does not work please replace the controller and inform the manufacturer brake circuit failure Page 7 of 8 motor original angle checking failure Motor HALL failure DSP Read Write EEPROM failure Motor over speed protection Motor reversion HMI51 Read Write EEPROM failure Motor overload Lack of oil alarm Please try 2 t
5. AHD31K JK900A User Manual 1 AHD31K JK900A Outside View AHD31K CJK900A outside structure view is as follows Fig 1 Fig 1 2 Controller Installation Size 293 E 2 liii i le D 7 L iD i B 323 l e cd LALL ee P M q L J IA AL Fig 2 Page of 8 19 8 6 Soo QA Emm OO OOOO 0 Gy O JEE FA a 3 Operation Panel Introduction The controller display screen is a 8 digit LED digital tube which can show operation status error code and parameter adjustment information LED display have four modes no back tacking Fig 3 1 start back tacking
6. ated voltage is 3V Recommendatory LED diode parameter as follows VF Min 3 0V Max 3 6V test condition IF 20mA Peak Forward Current Max 80mA Continuous Forward Current Max 35mA 6 Recovery processing and maintenance meaning solution hardware overflow Turn off the system power restart after 30 seconds if the controller still does not work please replace it and inform the 02 software overflow manufacturer Disconnect the controller power and check if the input voltage is too low lower than 176V If yes please restart the controller when the normal voltage is resumed If the controller still does not work when the voltage is at normal level please replace the controller and inform the manufacturer system under voltage over voltage when he mahne con Disconnect the controller power and check if the input voltage is too high higher than 264V If yes please restart the controller when the normal voltage is resumed If the controller still does not work when the voltage is at normal level please replace the over voltage in controller and inform the manufacturer operation a Turn off the system power check if the solenoid is connected solenoid circuit correctly and if it is loose or damaged If yes replace it in time failure Restart the system upon making sure everything is in good order If it still does not work seek technical support electrical current Turn off the system power restart
7. o 3 more times after power down if it still does not work please replace the controller and inform the manufacturer Turn off the system power check if the motor sensor plug is loose or dropped off restore it and restart the system If it still does not work please replace the controller and inform the manufacturer Try another time after power down if it still does not work please replace the controller and inform the manufacturer Turn off the system power turn on again in 30 seconds to see if it works If not try several more times if such failure happens frequently please change the controller and inform the manufacturer Turn off the system power restart the system after 30 seconds if it still does not work please replace the controller and inform the manufacturer Turn off the system power restart the system after 30 seconds if it still does not work please replace the controller and inform the manufacturer Turn off the system power restart the system after 30 seconds if it still does not work please replace the controller and inform the manufacturer Add oil to the needle rod and set the P22 parameter at 4000 resume the working time after the last oil adding or you can press button P to close the alarm and continue to use 386P00336 2009 1 KAS B Page 8 of 8
8. r of fixed sewing setting range is 0 9 0 signifies no fixed sewing set After setting press button P to save Second Solenoid Output Setting After pressing button P press button press button four times or press button one time LED will display E as in the following figure Fig 12 x Fig 12 Press button P to start solenoid output setting then press button or to adjust parameter setting Parameter instructions are as follows 0 back tacking 1 thread wiping 2 presser foot lifting after setting press button P to save In the above operation if there is no operation for some time 5 seconds it will go back to stand by status with no changes saved When the machine head is lifted but there is no action at the pedal LED will flash all the time till the machine head is closed and controller works in good order Page 5 of 8 5 Definition of controller interface a a ae Sa l 50 GD ep l pata Pct a BEC o pr heei Dorm Sop Poin Sil Bele Hotor Power e spm e ce AIR Encoder Head Solenoid PeiF oR Operation Panel DE 13 DF Back Tackig pire Swing solawil Fre ser Foot Lifting 3 olenoid OF Ci a MiaHA Safety ST Page 6 of 8 The drive ability of the LED jack It can drive five LED diode which the rated current is 20mA and the r
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