9. Clean the glass panel with water andsoap. Dry the glass panel carefully.When the cleaning is completed, installthe glass panels and the door. Do theabove steps in the opposite sequence.Install the smaller panel first, then thelarger.10.5 Replacing the lampPut a cloth on the bottom of the interiorof the appliance. It prevents damage tothe lamp glass cover and the cavity.WARNING!Danger of electrocution!Disconnect the fuse beforeyou replace the lamp.The lamp and the lamp glasscover can be hot.1. Deactivate the appliance.2. Remove the fuses from the fuse boxor deactivate the circuit breaker.The top lamp1. Turn the lamp glass covercounterclockwise to remove it.2. Clean the glass cover.3. Replace the lamp with a suitable 300°C heat-resistant lamp.4. Install the glass cover.11. TROUBLESHOOTINGWARNING!Refer to Safety chapters.11.1 What to do if...Problem Possible cause RemedyThe cooking zones do notoperate.Refer to the operating instructions for the built-in cookingsurface.The oven does not heat up. The oven is deactivated. Activate the oven.The oven does not heat up. The clock is not set. Set the clock.The oven does not heat up. The necessary settings arenot set.Make sure that the settingsare correct.ENGLISH 27