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Summary of Contents for KERN MBC M
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Service Manual Baby scale KERN MBC_M Version 1.0 05/2013 MBC-M-SH-e-1310...
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Page 2: Table Of Contents
KERN MBC-M Version 1.0 05/2013 Servicemanual Contents Basic Information................... 3 Introdution ...................... 3 MAINTENANCE ....................4 General ............................4 Error Codes ..........................4 Determine the Problem....................... 4 Check the Load cell ........................4 Load Cell Connections ....................... 5 Checking the different Voltages ....................5 Trouble Shooting ........................ -
Page 3: Basic Information
1 Basic Information The device must be repaired only by trained specialist staff or personnel with professional formation (such as a repair-specialist accredited by law concerning verification). The service manual is obligatory for repair work. After repair, original conditions of the device have to be restored. Only original spare parts should be used. -
Page 4: Maintenance
3 MAINTENANCE 3.1 General Please clean the scale each week and do calibration every year. If the scale does not operate properly, find out the problem as possible. Determine whether the problem is constant or alternate. Be aware that problems can be caused by mechanical or electrical influences. -
Page 5: Load Cell Connections
3.5 Load Cell Connections Signal Green Supply + Signal Black Supply - White Shield Measuring Points Resistance Red (+ Exc) to White ( –Exc) 420 ±20Ω Green (+Sig) to Black ( –Sig) 350Ω ±5Ω 3.6 Checking the different Voltages If the problem is in the PCB, use a multimeter to check the following voltages AC Power Check the AC power socket out put voltage. -
Page 6: Trouble Shooting
3.7 Trouble Shooting Problems Possible cause Common Solutions Display is blank. Mains power is turned off. Check power is getting inside the scale and No self test Power supply faulty or not on/off switch is working. plugged. Internal battery is Verify the voltages, which is on the power not charged. -
Page 7: Drawing
4 DRAWING 4.1 MBC HM MBC-M-SH-e-1310... -
Page 8: Mbc Ohm
4.2 MBC oHM MBC-M-SH-e-1310... - Page 9 No. in Drawing No. in Drawing KERN Art.Nr. Key panel (15kg) RMBC-4001 Key panel (20kg) RMBC-4002 Battery cover RMCC-8001 MBC-A04 MBC-A04 Footstand 1/2 48, 49 41, 42 RMBC-8001 Level bubble RMPE-8003 Adapter socket RMCC-5001 Plastic scale pan RMBC-6001 Battery MBC-A03...
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