KERN MWB series Service Manual

MWB-SH-e-1810.docx 1510 Servicing, maintenance, disposal10.1 CleaningBefore any maintenance, cleaning and repair work disconnect the appliancefrom the operating voltage.10.2 Cleaning / disinfectingClean weighing platform (such as seat pan) as well as casing with household detergents orcommercially available disinfectants, e.g. 70% isopropanol. We recommend a disinfectantsuitable for wiping disinfection. Please follow manufacturer’s instructions.Do not use abrasive or aggressive cleaners such as spirits or alcohol or similar as they mightdamage the high-quality surface.10.3 Servicing, maintenanceThe appliance may only be opened by trained service technicians who are authorized byKERN.Disconnect the scales before opening.10.4 DisposalDisposal of packaging and appliance must be carried out by operator according to validnational or regional law of the location where the appliance is used.11 Instant helpIn case of a fault in the program sequence, the balance should be shortly switched off.The weighing process must then be restarted from the beginning.Failure: Possible causes:The displayed weight doesnot glow. The balance is not switched on. The mains supply connection has been interrupted(mains cable not plugged in/faulty). Power supply interrupted. Battery inserted incorrectly or empty. No battery inserted.The displayed weight ispermanently changing Draught/air movement Table/floor vibrations The seating surface is in contact with foreign bodies oris not correctly positioned. Electromagnetic fields / static charging (choose differentlocation/switch off interfering device if possible)