Problem Possible cause RemedyThere is water or fat stains on thecontrol panel.Clean the control panel.An acoustic signal sounds andthe hob deactivates.An acoustic signal sounds whenthe hob is deactivated.You put something on one or moresensor fields.Remove the object from the sensorfields.The hob deactivates. You put something on the sensorfield .Remove the object from the sensorfield.Residual heat indicator does notcome on.The zone is not hot because it oper‐ated only for a short time or the sen‐sor is damaged.If the zone operated sufficiently long tobe hot, speak to an Authorised ServiceCentre.Automatic Heat Up does not op‐erate.The zone is hot. Let the zone become sufficiently cool.The highest heat setting is set. The highest heat setting has the samepower as the function.You cannot activate the outerring.First, activate the inner ring by chang‐ing the heat setting.There is a dark area onthe multiple zone.It is normal that there is a dark areaon the multiple zone.The sensor fields become hot. The cookware is too large or you putit too near to the controls.Put large cookware on the rear zones,if possible.There is no sound when youtouch the panel sensor fields.The sounds are deactivated. Activate the sounds.Refer to "Daily use".comes on. Child Safety Device or Lock oper‐ates.Refer to "Daily use".and a number come on. There is an error in the hob. Deactivate the hob and activate itagain after 30 seconds. If comeson again, disconnect the hob from theelectrical supply. After 30 seconds,connect the hob again. If the problemcontinues, speak to an AuthorisedService Centre.You can hear a constant beepnoise.The electrical connection is incor‐rect.Disconnect the hob from the electricalsupply. Ask a qualified electrician tocheck the installation.comes on. The second phase of the power sup‐ply is missing.Check if the hob is correctly connectedto the electrical supply. Remove thefuse, wait one minute, and insert thefuse again.8.2 If you cannot find a solution...If you cannot find a solution to the problemyourself, contact your dealer or anAuthorised Service Centre. Give the datafrom the rating plate. Give also three digitletter code for the glass ceramic (it is in thecorner of the glass surface) and an errormessage that comes on. Make sure, youoperated the hob correctly. If not theservicing by a service technician or dealerwill not be free of charge, also during thewarranty period. The instructions about theENGLISH 29