46 EOC-BA-e-17119 Servicing, maintenance, disposal9.1 Cleaning• Before cleaning, disconnect the appliance from the operating voltage.• Do not use aggressive detergents (solvents or similar).9.2 Servicing, maintenanceThe appliance may only be opened by trained service technicians who are authorizedby KERN.Before opening, disconnect from power supply.9.3 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.