– Remove after the appliance is sufficiently cool: limescale rings , water rings,fat stains, shiny metallic discolorations. Use a special cleaning agent for glass ce-ramic or stainless steel.2. Clean the appliance with a moist 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 ac-tivate the appli-ance or operateit.• Activate the appliance again and set the heat setting in 10 seconds.• You touched 2 or more sensor fields at the same time. Only touch one sen-sor field.• The Child Safety Device or the Lock or Stop+Go operates. See the chapterOperating instruction.• There is water or fat stains on the control panel. Clean the control panel.A Sound oper-ates and the ap-pliance deacti-vates.A sound oper-ates when theappliance is de-activated.You put something on one or more sensor fields. Remove the object from thesensor fields.The residualheat indicatordoes not comeson.The cooking zone is not hot because it operated only for a short time. If thecooking zone should be hot, speak to the service centre.The AutomaticHeat Up func-tion does notoperate.• There is still residual heat on the cooking zone. Let the cooking zone be-come sufficiently cool.• The highest heat setting is set. The highest heat setting has the same pow-er as the Automatic Heat Up function.You cannot ac-tivate the outerring.Activate the inner ring first.The sensor fieldsbecome hot.The cookware is too large or you out it too near to the controls. Put largecookware on the rear cooking zones if it is necessary.There is no sig-nal when youtouch the panelsensor fields.The signals are deactivated. Activate the signals (see OffSound Control).comes on The Automatic Switch Off operates. Deactivate the cooking zone and activateit again after 60 seconds.If after 60 seconds comes on again speak to the service centre.12 What to do if...