32TroubleshootingYou can often easily eliminate problems that mayoccur on your own. Before calling customer service,take into account the following information.9 WARNINGRisk of electric shockImproper repairs are dangerous. Only an after-sales technician trained by us may performrepairs and may replace damaged connectingleads. Remove the mains plug or deactivate thefuse in the fuse box if the appliance is defective.Call after-sales service.Power cutYour appliance can bridge a power cut of a fewseconds. Operation continues.If the power cut was for a longer period and theappliance was in operation, a message appears in thedisplay. Operation is interrupted.Set the function selector to 0, then the appliance canbe operated again as usual.Demo modeThe demo mode is activated if the ° symbol appearsin the display. The appliance does not heat up.Briefly disconnect the appliance from the mains(switch off the domestic fuse or the circuit-breaker inthe fuse box). Then deactivate the demo mode within3 minutes in the factory setting (see section entitledFactory setting).Disruption Possible cause SolutionAppliance not working, no display Plug not inserted Connect the appliance to the electricitymainsPower failure Check whether other kitchen appliancesare workingFuse defective Check in the fuse box whether the fusefor the appliance is in working orderOperating error Switch off the fuse for the appliance inthe fuse box and switch it on again afterabout 10 secondsAppliance cannot be started Appliance door is not quite closed Close appliance doorAppliance is not working, display is notresponding. 0 appears in the display.Child lock activated Deactivate child lock (see section enti-tled Child lock)Appliance switches off automatically Safety deactivation: the appliance hasnot been operated for longer than 12hoursConfirm the message with ™, switch offthe appliance and set it again.Appliance does not heat up, ° appearsin the displayAppliance is in the demo mode Deactivate demo mode in the basic set-tingsError message "Exxx" If an error message appears, turn theprogram selection to 0; if the displaygoes off, it was a one-time problem. Ifthe problem occurs repeatedly or if thedisplay stops, please contact after-salesservice and inform them of the errorcode.