– Stop the appliance and let it cool down before you clean: limescale rings, waterrings, fat stains, shiny metallic discolorations. Use a special cleaner for glass ceramicor stainless steel.2. Clean the appliance with a damp cloth and some detergent.3. At the end rub the appliance dry with a clean cloth.What to do if...Problem Possible cause and remedyYou cannot start the applianceor operate it.• You touched 2 or more sensor fields at the same time. Onlytouch one sensor field.• There is water or fat stains on the control panel. Clean thecontrol panel• The key lock or child safety device operates . Stop thefunction. See the section "Locking/unlocking the control pan-el" and “Child safety device”.• The STOP+GO function operates . Stop the function. Seethe section "Starting the STOP+GO".• Start the appliance again and set the heat setting in 10 sec-onds.The residual heat indicator doesnot come on.The cooking zone is not hot because it operated only for a shorttime. If the cooking zone must be hot, speak to the after salesservice.You cannot switch on the outerrings.Switch on the inner ring first.The automatic heat up functiondoes not start.• There is still residual heat on the cooking zone . Let thecooking zone cool down• The highest heat setting is set. The highest heat setting hasthe same power as the automatic heat up function.• You set the heat setting with sensor field. Start fromand use only.A sound operates and appliancestarts and stops again. After 5seconds one more sound oper-ates.You covered . Uncover the sensor field.comes on. • The automatic switch-off operates. Stop the appliance andstart it again.Overheating protection for the cooking zone operates. Stop thecooking zone and start it again.and a number come on. There is an error in the appliance.Disconnect the appliance from the electrical supply for sometime. Disconnect the fuse from the electrical system of the house.Connect again. If comes on again, speak to the after salesservice.If you tried the above solutions and cannot repair the problem, speak to your dealer or theCustomer Care Department. Give the data from the rating plate, three-digit-letter code forWhat to do if... 11