FOB-BA-e-1820 4512 Servicing, maintenance, disposal12.1 CleaningBefore cleaning, please disconnect the appliance from the operating voltage. Clean the stainless-steel parts with a soft cloth soaked with a cleaning agentsuitable for stainless steel. For stainless steel parts do not use any cleaning agents which contain sodiumhydroxide solution, acetic, hydrochloric, sulphuric or citric acid. Do not use metal brushes or cleaning sponges of steel wool, as this causessuperficial corrosion.Spilled weighing goods must be removed immediately.12.2 Servicing, maintenanceThe appliance may only be opened by trained service technicians who are authorizedby 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.