bC + bPro - METTLER TOLEDO
Contents
1. eee 9 2 10 Major Component Map sss 10 3 Troubleshooting een M 11 4 CAMA MON ia A A RE FEN EY WHY FE 14 55 POSO WI Sa An 16 6 Flashing 2 inn diana dani daria 17 Tx POWER SUPPLY cusa ANAN Cranes anda cu FR CH a anas WU LUW 18 9 Main LOGIC PCB nata 19 95 Gele TTE 21 10 Warning Messages renean nonis ns drenan nes 22 10 1 ETTO Messages spp ER ni Y 23 11 Interconnecting Diag ram cuerno nora nina opua nene WAN WR WR 25 12 Parts Replacement reir cerni randa crx RYN NEW dw Lug WRN 26 127 Replace main PCB ostias 26 13 Replace switch power rv YY HWNW irrita 27 14 Replace i bird edulis uhr ci a 28 15 Replacedoadcell au iia na 29 16 Replace i vu cO D Ro WYR 31 17 Replace Pte a 32 18 Replace printer head ninia core i ra FREU FED IU RAO ED SEC eU ARE RAD arado adia 34 19 Maintenance ii 35 19 1 External Cleaning atelier demde cte edebat LE 35 2 Oleannmd Printhead eia et A AA RO 35 19 3 Y m TH FRI ROF RY 36 20 Chants iuc _ HER dad a FFWR 37 Seite 4 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 2 Specifications bC 2 1 General Description2. Put on the front display Screw in bolts for installation Put the front display Screw in 2 fix bolts of cover Install the tower to base Put on platter Power on scale Seite 28 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 15 Replace loadcell Seite 29 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO Take out loadcell Power off power and take out the power cable from electrical outlet Take away platter Screw out 2 bolts for fix the cover of print paper D Take out the cover E Screw out 2 bolts in interface PCB F Screw out 4 bolts in up spider and take out it Open the sealing screw G Take away up cover Pull out loadcell harness from main PCB see above to find the main PCB Screw 2 screws in loadcell and take out spacer Also take out loadcell spacer Also screw 2 screws for installing loadcell under the scale Take away loadcell Install loadcell Put the loadcell to right position Install 2 screws from scale bottom Screw down with moment spanner 15kg CAPACITY with 8 NM 30kg CAPACITY with 10 NM Put the spacer and then screw down 2 screws in it Screw down with moment spanner 15kg CAPACITY with 8 NM 30kg CAPACITY with 10 NM With X mm ruler to adjust the limit size of back 2 screws With Y mm ruler to adjust the limit size of front 2 screws ins
3. AIEO S9LUARUDONMSR 31000 0 ZX0ZE YO 0 ZX0 Z ANTASIO 021 XI L VW JU VOS NIVW com an c o 2 rz CO get AV1dSIO SS3NNVH c mewe eoeRFNHORODRCRREGLNOSOS e wo oeRFXrGHORORCRRPRHNOSOS A ves aso 12 450 em LIN IN Ei Wee ul A a E oo 5 09876543 INOW ANTASIO 021 21 127591860117 1267591860187 lt o mo lt xxo QV08A33 RENPAORERLIENN AR eMmeunereeSrinf gceeRERHnidns AOZZ OLL q y 0 8 lt uu CASHBOX DRIVE Ethernet E E 511915 8 equo 8 ano 0S1 Jd 0515 Jd ON 00 28 JAIJO 8 LOAD CELL ASSM Mettler Toledo Albstadt GmbH ME 2201 5698 12 01 2007 Seite 25 37 Service Manual bC bPro METTLER TOLEDO 12 Parts Replacement 12 1 Replace main PCB all the data saved in main PCB as you change the main PCB you will lose all of them Power off power and take out the power cable from electrical outlet Take away platter Screw out the 5 bolts A from base and take away Show main PCB Pull out all connection from main PCB Screw out 6 bolts B from main PCB take away it Install main PCB Put the main PCB to right position screw in 6 bolts of main PCB Put the cover of base then screw in 5 bolts Put on platter
4. KEYBOARD INOPERATIVE 1 Check keyboard connection on keyboard controller PCB 2 Check Keyboard controller connection to Main Logic ensure all connections are secure 3 If all connections are secure and keyboard is inoperative a Replace keyboard controller PCB b Check keyboard once again C If Keyboard is still inoperative replace keyboard SCALE WON T ZERO DISPLAY PUT PLATTER ON or ZERO NOT CAPTURE 1 Check platter and spider for obstructions Turn power off then back on 2 Recalibrate 3 Check Load Cell supply voltage 4 Replace Load Cell LOSING PROGRAMMED DATA 1 Check Error Report of Service Mode 2 Check Main Logic voltage at test points 3 Replace Main Logic PCB Seite 11 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO PRINTER WON T DELIVER LABEL Check printer for obstructions Check if there is a label which has not been removed Check Take Label sensor obstructions Clean Take Label sensor Test Take label sensor with SENSOR TEST in Service Mode Check harness from Printer to Main PCB Check label stepper motor o Oo MN Replace Main Logic PCB INCORRECTLY INDEXES LABELS 1 Check label installation Check label format and label size Clean Gap Sensor Lens Check and clean platen roller stripper bar and delivery path using MT cleaning pen Adjust label Gap Sensor through SENSOR TEST in
5. 9 Load Cell The Load Cell can be tested for proper analog voltage input and millivolt output by measuring the voltage on the Main Logic PCB To check the input voltage across EXC amp EXC place your meter on volts and put the positive lead on the left pin of F1 and the negative lead on the left pin of F4 You should be reading a steady 10VDC 0 25VDC If the Excitation voltage is good the signal output can be checked across SIG amp SIG Set the meter to read in millivolts mV Put the positive lead on the left pin of F2 and negative lead on the left pin of F3 With no weight on the platter you should read zero data As you add weight to the platter the voltage should rise and be linear if equal weight is added each time If the output is linear and correct but no weight is displayed replace the Main Logic PCB If there is no output from the load cell but correct input voltage replace the load cell Seite 21 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 10 Warning Messages INPUT TOO BIG The input is too big INPUT TOO SMALL The input is too small TOO MUCH INPUT The input is out of limit WRONG CODENR The code number is invalid KEY NO FUNCTION The key has no function KEY BLOCKED The key is disabled Check the KEYBOARD CONFIGURE PLU NOT FOUND The entered PLU number does not exist AG NOT FOUND The entered Group number does
6. 20 Changes Service Manual bC bPro 2201 5698 Edition 01 07 Chapter new changed canceled discription AABB x x Seite 37 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698
7. Power on scale Seite 26 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 13 Replace switch power Take out switch power Power off power and take out the power cable from electrical outlet Take away platter Screw out the 5 bolts A from base and take away Pull out the harness in switch power Screw out 4 bolts in the power PCB Take away the switch power Install switch power Put the switch power to the right position Screw in 4 bolts of the power PCB Plug in all the connection harness in the PCB Put the cover of base then screw in 5 bolts Put on platter Power on scale Seite 27 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 14 Replace display Take out display Power off power and take out the power cable from electrical outlet Take away platter Take out the tower kits from scale as screw out 5 bolts see install tower Take away the tower kits Screw out 2 bolts in the display cover and take out the front cover show the display Screw 5 bolts of the front display pull out harness and take away the display Screw 4 bolts of back display and pull out harness take away back display Install display Put the back display to right position and screw in 4 bolts to fix it Plug in harness of display Also the harness to front display
8. The METTLER TOLEDO bC is a digital computing scale with an integrated thermal label printer bPro is a network scale which has a database containing the PLU Exra Text and etc A Special PC program is avaliable to download the database from the PC The standard bC weighing capacity is 6kg 15kg or 30kg range This scale integrates seven segment displays on each display for weight tare unit price and total price It also includes a 16 characters display on each side to show item description Also we have a 240X240 whole dot matrix display for the bC scale for displaying all kinds of characters The bC like all METTLER TOLEDO products is designed for maximum durability and reliability in even the most demanding application environments The bPro is manufactured in one of METTLER TOLEDO s ISO 9001 and ISO 14001 certified facilities so you are assured to receive a high quality product Seite 5 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 2 2 Features 6kg 12kg 15kg 30kg 3000e or 3000e dual range or 6000e single range LCD display with LED backlight on both operator side and customers side Or 240X240 full dot matrix display Four lines of seven segment numeric display for 5 digits weight 5 digits tare 7 digits unit price and 7 digits total price Single line 16 character alphanumeric display for programming and item description Indicators for zero net and pre
9. e input standard weight value put standard weight on platter v DONE capture the weight NOTE SHUT DOWN turn off scale and power on again IN THE PROCESS IF GIVE THE MESSAGE INIT CELL WHICH INDICATE THE FAULT CALIBRATION Seite 15 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 5 PC software PLU records and setup data of the bPro can be programmed through a PC Personal Computer using the METTLER TOLEDO program bSoft and bLabel New scales can be easily set up by using this program Which requires an IBM or compatible PC with Windows 95 NT or higher version operating system A 3 5 inch floppy drive and one serial port or Ethernet port is required The wiring diagrams shown in the following figure can be used to make cables from a 25 pin or a 9 pin PC serial port to the 9 pin connector at the bC Factory cables are available from METTLER TOLEDO using the part numbers shown in the figure 1238480TC Cable PC DB9 to bC 10ft 3m PC bC DB9 F DB9 F TO TO 9 PIN SERIAL 9 PIN SERIAL RS232 PORT RS232 PORT Seite 16 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 6 Flashing Software The bC Operating System Software is retained in Flash EEPROM s on the Main Logic PCB The EPROM s can be reprogrammed using a PC and a downloader program Hyperterminal Cables and
10. AX WARNING a AN WARNING Song DISCONNECT ALL POWER TO THIS UNIT BEFORE inspect maintain service or 7 INSTALLING SERVICING CLEANING OR REMOVING tamper with this equipment THE FUSE FAILURE TO DO SO COULD RESULT IN BODILY HARM AND OR PROPERTY DAMAGE BEFORE CONNECTING DISCONNECTING ANY INTERNAL ELECTRONIC ALWAYS DISCONNECT this equipment from the power COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY 30 source before cleaning or SECONDS BEFORE ANY CONNECTIONS OR DISCONNECTIONS ARE MADE i i FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN DAMAGE TO OR performing maintenance DESTRUCTION OF THE EOUIPMENT OR BODILY HARM CALL METTLER TOLEDO for parts information and service OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE DEVICES Seite 3 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO Contents list Page 1 PRECAUTIONS ii idas 3 2 Specifications DG indice 5 2 1 A ud A a E E 5 2 2 ESA micros itd late ta rue a ase 6 2 39 Customer Vendor Displa i O 7 2 4 Weighing Gap aclty crias ai 8 2 5 Qna e hou ci uA acu MU CE re tien Seat ane 8 2 5 Memory Specifications iiu ie cu SM ou Not p aS 8 O 8 2 8 oic MERE POP ETE 9 2 9 Operating amp Storage Temperature
11. TOO BIG The entered tare is too big PLU TARE ACTIVE You are forbidden to override the PLU tare NO STABLE WEIGHT The weight is not stable PUT PLATTER ON The weight is too small and out of power up zero range ZERO NOT CAPTURE The weight is too big and out of power up zero range WEIGHT TOO SMALL The weight is too small to be printed ERROR TAKE SENS The take label sensor is not working properly ERROR POS_SENS The gap sensor is not working properly ERROR INTERFACE The serial port is not working properly Seite 22 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 10 1 Error Messages Listed below are the possible error codes are listed When an error code appears the scale should be switched off and on In many cases the error will disappear There are 3 different kinds of error messages Error Status 1 Warning After the warning the scale can still be used Error Status 2 Press CODE key Change to one of the CODE menu Back to normal operation mode Error Status 3 Press CODE key and enter SERVICE MODE after returning to normal operation mode the scale will perform RESET Seite 23 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO UT pesn sm m ERROR 300 PRINTER Printer driver defect Replace Main Logic PCB Reflash the software ERROR 301 PRINTER Printer driver de
12. components are the same as above RS232 cable Before downloading the software turn the bC power OFF Connect one end of the cable to the PC s serial port and the other end to the bC serial port Power ON the scale The scale will display WAIT FOR HOST to wait for PC signal Then enter the Hyperterminal to select right COMM port of the computer Then set the data as baud tare 115200 data bits 8 parity none stop bits 1 flow control none After come back main interface of the Hyper terminal to select send file select the scale code and the protocol as 1K Xmodem Send the file to scale The PC screen will display a status menu to show the flashing progress When the flashing is completed the scale will reset automatically Press any key to exit Hyperterminal program at the PC Seite 17 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 7 POWER SUPPLY Following is a list of symptoms that could occur and the recommended action to correct the problem Place the Power Switch to the OFF position Remove the platter spider and top cove To check the 24VDC output voltage from the Power Supply terminal between the terminals marked V and GND the acceptable output range is 24VDC 0 50 VDC If the voltage is normal the Power Supply should be good and the problem should be suspected as being in the Main Logic PCB or a component that connects to the Main Log
13. electrical outlet Take away platter Screw out 2 bolts l at the bottom of the scale Open the printer door Pull out printer also disconnect the harness in printer POB Take out printer also with 2 spacer under it Install printer Put 2 white spacer to right position Insert the harness of the printer POB Put the printer to right position and insert to scale carefully Screw down 2 bolts for fixing the printer at bottom of scale Close printer door Put on platter Power on scale Seite 33 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 18 Replace printer head DON T GRIDE THE PRINTER HEAD Take out printer head Power off power and take out the power cable from electrical outlet Take away platter Open printer door pull out printer Screw out 2 screws J for fixing printer head Pull out the harness from printer head Take away printer head Install printer head Insert the printer head harness Put the printer head and spacer to right position Screw down 2 bolts Close the printer head Push the printer back to scale Put on platter Power on scale Seite 34 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 19 Maintenance 19 1 External Cleaning Turn the scale power off by placing the power switch to the OFF position Press the 0 on
14. not exist OPER NOT FOUND The entered Operator number does not exist LABEL NOT FOUND The entered Label Format does not exist PLUNR IS OCCUP You are trying to duplicate a PLU into an exist PLU number You are trying to duplicate a label format into an exist label LABELNR OCCUP AG NOT DELETABLE This Group contains total data and can not be deleted OP NOT DELETABLE This Operator contains total data and can not be deleted MEMORY FULL Memory is full You are trying to record one item twice Remove the item from ENE the platter and put a new item on the platter The installed label roll does not match the configured label WRONG LABEL format LABEL MOVED The stepper motor or the rewind motor is not working properly CHANGE PAPERROLL The label roll is not installed or the label roll is empty TAKE LABEL OFF Take off the current label before printing the next one NO FREE OX KEY All the configured operator keys have been occupied PRINT TICKET Print out the customer ticket before logging out OPEN CUST TICK You are trying to delete an operator who has total data OX NOT LOGGED IN The operator has not be assigned to an operator PAYMENT TOO LOW The payment is less than the total amount NO FURTHER REG No further transaction has been recorded This PLU does not allow to be discounted Check the PLU PSCOUNTINROSS Discount configuration or this PLU is in special offer TARE
15. the power switch Disconnect power cord from outlet Use a soft clean cloth dampened with a mild detergent and water or a mild cleaner to wipe the exterior surfaces Do not spray liquid directly on the unit A mild spray cleaner can be used by spraying the cleaning cloth 19 2 Cleaning Printhead Turn the scale off by placing the power switch to the OFF position Disconnect power cord from outlet Open the plastic door on the right side of the scale Slide out the printer Press the trigger to open the print head Clean the print head with a soft clean cloth soaked in isopropyl alcohol METTLER TOLEDO liquid cleaner or equivalent or the METTLER TOLEDO Cleaning Pen Push back the print head until it clicks Slide the printer in Close the plastic door Seite 35 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 19 3 Rezeroing This scale is equipped with an automatic zeroing device which compensates for small weight change This device is not activated when a package tare is compensated After cleaning the dirt from the platter with the scale on the display can read a negative value AE segments can be lit Solution Press the ZERO key if the message appears again or turn the scale off and back on again with the main power switch Seite 36 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO
16. 22015698 bC bPro bC bPro Service Manual bC bPro Scale Printer bC C2 ME Nr 2201 5698 Printed in Germany 0107 8 11 Edition January 2007 Address Mettler Toledo Albstadt GmbH METT EDO D 72458 Albstadt Telephon 49 0 74 31 14 0 Fax 449 0 74 31 14 640 Internet http www mt com Service Manual bC bPro METTLER TOLEDO OMettler Toledo Inc 2006 No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose without the express written permission of Mettler Toledo Inc U S Government Restricted Rights This documentation is furnished with Restricted Rights METTLER TOLEDO RESERVES THE RIGHT TO MAKE REFINEMENTS OR CHANGES WITHOUT NOTICE Seite 2 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 1 PRECAUTIONS READ this manual BEFORE WARNING operating or servicing this ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE equipment THIS EQUIPMENT EXERCISE CARE WHEN MAKING CHECKS TESTS AND ADJUSTMENTS THAT MUST BE MADE WITH POWER ON FAILING TO OBSERVE THESE FOLLOW these instructions PRECAUTIONS CAN RESULT IN BODILY HARM carefully SAVE this manual for future FOR CONTINUED PROTECTION AGAINST SHOCK reference HAZARD CONNECT TO PROPERLY GROUNDED OUTLET B ONLY DO NOT REMOVE THE GROUND PRONG DO NOT allow untrained
17. LABELS ERROR 1 Make sure labels are threaded through the Gap Sensor 2 Clean Check Gap Sensor 3 Check Gap Sensor through SENSOR TEST in Service mode 4 Replace Gap Sensor 5 Replace Main Logic PCB CAN T COMMUNICATE WITH PC 1 Test scale serial port through INTERFACE TEST in Service Mode 2 Check the connection cable 3 Check which serial port is used at PC 4 If using bSoft check the COM PORT SETUP and set to the following parameters Bit per second 9600 Data bits 8 Parity None Stop bits 1 Flow control None Seite 13 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 4 Calibration Open sealing wire Screw out sealing screw operation Seite 14 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO operation display description 2XAXeXeXo X3XSX2X69 enter the menu 1006 enter calibration ambience condition QUIET 0 2 O quiet 1 normal 2 disquiet TOW enter to calibrate PUSH CAL BUTTON push calibration switch press calibration switch SELECT GEO 12 INPUT GEO input weight GEO 0 31 00 CAPACITY 15 INPUT CAPACITY INPUT CAPACITY EO INC 0 002 0 005 Select increment if necessory select increment AO READ THE ZERO 1 capture zero ADD WEIGHT 0 000 and put on platter
18. Service Mode Replace Gap Sensor Assembly O O N Replace Main Logic PCB LABELS DARK 1 If labels are printed correctly but are excessively dark check the ENERGY setting in Service Mode 2 Check printhead harnesses for loose wires LABELS MISSING DOTS 1 If the labels are streaked by lines from top to bottom replace the Printhead 2 If characters are cut off check label format programming If OK replace printhead LABELS ARE EXCESSIVELY LIGHT DARK 1 Check Print SPEED and ENERGY setting in Service Mode 2 Check with other known good label stock 3 If light print check and clean printhead resistor line and platen roller 4 Check printhead harness for loose wires 5 Check Main Logic PCB voltages If OK replace Printhead Seite 12 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO LABEL PRINT IS MOTTLED WITH LIGHT SPOTS 1 Check with other known good label stock 2 Check and clean printhead resistor line and platen 3 Replace printhead LABELS NOT STRIPPING CORRECTLY 1 Check with other known good label stock e g Nashua 2 Check label format programming 3 Check rewind spool for wear 4 Check Gap Sensor and Take Label Sensor with SENSOR TEST in Service Mode LABELS PRINTED EVEN IF ONE IS NOT YET TAKEN 1 Check PAP END DET option in Service Mode Paper End Detection 2 Check Take Label Sensor 3 Check Main Logic PCB OUT OF
19. TE _ ls EN m 9 IM em ei m co 2 e DC POWER te zc i Ma une pc 2 E I He e e les eit e lt wee 1 ran ren 5 PT E K on 88 ma mn co 111110 S aa co SEE EV m 5 mm U gt gt S o o si CE e SHEE ac EFLY ux d DOT IB e E E gt Ed y v 5 sem Ema E gis Y E 8 J o S E es O9 nnmnnn E Ud OEA u23 E as n on 5 o EEA o mg ge ies ae am ont meee FALE ja 5 aa x he mama cong we F d Es O AAA VO a i 1 5 WL 000000000000000000000 p x 4 3 F ET G H Seite 19 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO Ref F J3 Extended Bus connector TP6 C86 Gap sensor test point G J4 Keyboard connector TP7 D8 SRAM Battery Supply test point H J14 Wireless Module 5V Supply JS User Interface J6 ECP parallel Port J L Jil ADModuleconnector o o S E persil Seite 20 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO
20. fect 2 Replace Main Logic PCB 1 Replace printhead ERROR 307 PRINTER Printhead defect 2 2 Replace printhead hamess 3 Replace Main Logic PCB ERROR 308 PRINTER Printer driver defect Replace Main Logic PCB ERROR 310 PRINTER Printer driver defect Replace Main Logic PCB ERROR 101 AP Real Time Clock defect Replace Main Logic PCB ERROR 400 CELL Load Cell defect 1 Replace Main Logic PCB 2 Replace Load Cell 1 Recalibrate ERROR 401 CELL Load Cell defect 2 Replace Main Logic PCB 3 Replace Load Cell ERROR 200 DATABASE Data bank error 3 Reset RAM 1 Reset RAM 1 Reset RAM ERROR 203 YY DATABASE YY Data error 2 Configure YY ERROR 205 DATABASE Data bank error Reset RAM Meaning of XX 01 Operator 07 Group data 02 Ticket data 13 Label data 03 Time total data 15 Date text data 04 Text data 21 PLU label data 05 Barcode data 23 Store adress 06 Tare data 24 PLU data Meaning of YY 01 Operator Configure 04 Password Configure 03 Keyboard Configure Seite 24 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 METTLER TOLEDO Service Manual bC bPro Interconnecting Diagram 11 MATRIX LCD DISPLAY 240X240 OR 320X240 MODULE LCD DISPLAY MODULE 098 cu m co a 1 tee a ae FPICYSTRLOEUDDOWGONU 0808 331439 SMUDGE iT 9 LU A4mUuDOM EEE ll HELL EL TLF
21. ic PCB If the output voltage is zero check the 120 VAC input voltage If the correct AC input voltage is present but there is no 24 VDC output replace the Power Supply If no voltage is present check the fuse 240VAC 4A on the power supply If the fuse is OK check AC input at the Line Cord Jack between the Red wire and Black wire If the 120VAC is present suspect a defective power switch If 120 VAC is not present at the jack check the fuse 240VAC 3A installed in the Line Cord Jack as shown in the following Figure If the fuse is OK verify voltage is present at the AC wall outlet working fuse backup fuse Seite 18 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 8 Main Logic PCB The Main Logic PCB receives 24VDC from the Power Supply and uses this to supply 10VDC and 5VDC to other components The Main Logic PCB controls all functions in the unit including the thermal printer Inputs and Outputs to the Main Logic include the Label Taken Sensor Gap Sensor Printhead Stepper Motor Rewind Motor Load Cell and etc The following Figure shows the locations of the various components and connectors on the Main Logic PCB If the volages are not within the range specified and the Power Supply voltage is correct replace the Main Logic PCB NOTE WHEN REPLACING THE MAIN LOGIC PCB THE UNIT MUST BE REFLASHED A TP3 L TP2 DE u
22. ly and draws 0 3 amps scale printer versions The AC line including ground must not be shared with noise and surge generating equipment such as electric motors compressors thermostats fluorescent lights etc A line conditioning device is recommended to provide protection from surges and spikes The Power supply uses an electronic overload protection circuit designed to protect the internal electrical components 2 9 Operating amp Storage Temperature Operating Range 0 C to 40 C humidity from 5 to 95 non condensing Storage Range 0 C to 70 humidity from 5 to 95 non condensing Seite 9 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 2 10 Major Component Map ef Description Display Tower Platter supporter Printer Numeric Keypad Preset Keypad OTIMO o WO gt 29 Power switch Seite 10 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 3 Troubleshooting Following is a list of symptoms that could occur and the recommended action to correct the problem SCALE INOPERATIVE BLANK DISPLAYS 1 Check AC power at outlet 2 Check Voltage on Main Logic PCB If voltages are zero check Power Supply 3 If test point voltage is good replace Main Logic PCB 4 Check Display Cable on Main Logic PCB and Operator Display PCB Check Display PCB
23. pacer capacity 6 15kg X 1 2mmY 0 9mm capacity 15 30kg X 1 9mmY 1 3mm Insert the loadcell harness to main PCB Install the up cover print paper cover up spacer screws in interface PCB cover of main PCB at bottom etc Adjust 4 screws in up spacer and let the spacer levelly Put on platter Power on scale Seite 30 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 16 Replace keyboard H Take out keyboard Power off power and take out the power cable from electrical outlet Take away platter Screw out 3 bolts H in keyboard at bottom Take out keyboard and cover kits Pull out the harness of keyboard from the keyboard convert PCB Rip off the keyboard overlay take out it Install keyboard Clean the keyboard cover with alcohol and wait it till dry Let harness through the hole in it and rip off the protect paper in keyboard then stick it to the keyboard cover Plug in the harness to keyboard convert PCB Put the keyboard to right position and install 3 bolts in it Put on platter Power on scale Seite 31 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 17 Replace printer Seite 32 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO Take out printer Power off power and take out the power cable from
24. pack mode Compliance with H44 3000e R76 OIML 3000e Tactile feel membrane keyboard and an audible beeper A 140 position preset keyboard for fast PLU retrieval different type may has different preset key quantity Real time clock and RAM are backed up by a lithium rechargable battery with at least 1 month memory retention without external power VOID key for clearing previous transaction from accumulator Computer interface port Ethernet interface for use with communication software uploading software with special tools and RS232 also can used for FLASH software Integrated thermal label printer with 8 dots mm print head Supports printing paper width from 25 to 85mm Supports EAN and UPC barcoding standards Various paper types such as die cut labels continuous strip labels and continuous thermal paper are supported Seite 6 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 2 3 Customer Vendor Display There are two displays on the scale one is on the vendor side and the other is on the customer side These two LCD displays incorporate LED backlight Both the customer and vendor displays show 5 digits of weight 5 digits of tare 7 digits of unit price and 7 digits of total price values along with cursors for Zero Net and Prepack mode Both the customer and vendor displays can also show 16 alphanumeric characters for commodity description marquee and
25. prompt messages during programming The Weight and Total Price display characters are 12mm high by 7 4mm wide The Tare and Unit Price display are 10mm high by 6mm wide The alphanumeric characters are 7 6mm high and 5mm wide Another display option available is the full dot matrix display which can enable promotional graphical displays as well as special offers to increase in store sales The Display Legends Definitions are shown in the following Table Cursor Definition NET Indicates a tare has been entered and the weight is net ZERO Indicates scale at zero i e within 1 4 increment PREPACK Indicates Pre pack mode has been selected Seite 7 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO 2 4 Weighing Capacity The bC is available in 3 6kg x 0 001 0 002kg 6 15kgx0 002 0 005kg 12kgX0 002kg and 15 30kgx0 005 0 010kg capacities The scale is designed to withstand static overloads up to five times the rated capacity without sustaining permanent damage A weight greater than five increments over capacity causes the weight display to and printing is inhibited If the scale is under zero by more than five increments the weight field will display dashes __ When zero can not be captured the weight field will display EEEEE 2 5 Tare Tare is limited to a maximum of 2 3 full capacity 2 6 Memory Specifications The Main Logic PCB contains a
26. rechargable lithium battery that will retain backup PLU s and the time date in the SRAM memory for up to one month Other data including calibration data are retained in the EEPROM which requires no battery for memory retention 2 7 Label Printer Labels can be printed with the built in thermal label printer The standard printer uses a 54mm wide high resolution 8 dots mm thermal printhead The printer driver PCB incorporates a heat detection circuit to ensure the best possible print quality while eliminating any possibility of overheating the head Overheating is the major cause of premature printhead failure The print speed and density can be adjusted via SERVICE MODE to compensate for varying types of labels The printer supports standard label sizes ranging from 25mm to 102mm long and continuous strip stock or continuous thermal paper Labels can be loaded in a stripped or unstripped mode In stripped mode the labels automatically peel from the backing liner In Seite 8 37 12 01 2007 Mettler Toledo Albstadt GmbH ME 2201 5698 Service Manual bC bPro METTLER TOLEDO the unstripped mode the label and liner will be delivered A tear bar allows continuous stock to be torn to exact length needed Print specifications for the thermal printer are as follows PRINTHEAD TYPE Thermal Printhead DOT DENSITY 8 Dots mm PRINT SPEED Max 125 mm sec 2 8 Electrical The bC requires a dedicated grounded 100 240 VAC 50 60 HZ supp
Download Pdf Manuals
Related Search