KERN PFB 120-3A Operating Manual
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Contents
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PFB-BA-e-1741 3912 Servicing, maintenance, disposalBefore any maintenance, cleaning and repair work disconnect theappliance from the operating voltage.12.1 CleaningPlease do not use aggressive cleaning agents (solvents or similar agents), but a clothdampened with mild soap suds. Ensure that no liquid penetrates into the device.Polish with a dry soft cloth.Loose residue sample/powder can be removed carefully with a brush or manualvacuum cleaner.Spilled weighing goods must be removed immediately.12.2 Servicing, maintenance The appliance may only be opened by trained service technicians who areauthorized by KERN. Before opening, disconnect from power supply.12.3 DisposalDisposal of packaging and appliance must be carried out by operator according tovalid national or regional law of the location where the appliance is used.13 Error messagesDefect/faultDescription Possible causes / troubleshootingErr 3 Incorrect adjusting weight Place correct adjustment weight (seechap. 1; Technical DataErr 4 Zero range exceeded Remove load and reset weighing scalesto zero with ZERO key.Err 5 Keyboard error Inadmissible inputErr 6Electronic errorSwitch balance off and on again. If theerror message remains displayed,please contact your dealer.Transport Securing Remove the transportation lockErr 19 Unable to initialise zero point• Measuring cell defective / overloaded• Object on weighing pan / contact• Transport locking device was notremoved• Main board defective Remedy: Adjust and lineariseweighing scales |
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