16What to do if …Problem Possible cause RemedyThe cooking zones will not switchon or are not functioningMore than 10 seconds have passedsince the appliance was switchedonSwitch the appliance on again.The child safety device is switchedon lDeactivate the child safety device(See the section “Child safety de-vice”)Several sensor fields were touchedat the same timeOnly touch one sensor fieldSafety cut-out has been triggered Remove any objects (pan, cloths,etc.) that are lying on the controlpanel. Switch the appliance onagainThe lock is switched on l Switch off the lock (See the section“Locking/unlocking the controlpanel”)Acoustic signal sounds when appli-ance is switched offThe control panel is wholly or partlycovered by objects.Remove objects.The residual heat indicator is notdisplaying anythingThe cooking zone was only on for ashort time and is therefore not hotIf the cooking zone is supposed tobe hot, call the Customer ServiceDepartment.The automatic warm up function isnot switching itself onThere is still residual heat on thecooking zone hLet the cooking zone cool downThe highest heat setting is set Ç The highest heat setting has thesame power as the automatic warmup functionThe heat setting was set using thesensor field1.Switching off the cooking zone2.Set the cooking zone using thesensor fieldAcoustic signal sounds and appli-ance switches itself on and then offagain; after 5 seconds anotheracoustic signal soundsThe On/Off sensor field has beencovered up, e.g. by a clothDo not place any objects on thecontrol panel_ is lit Overheating protection for thecooking zone has been triggeredSwitch off the cooking zone.Switch the cooking zone on againe and number are displayed Electronics fault Disconnect the appliance from theelectrical supply for a few minutes(Take the fuse out of the house’swiring system)If after switching on again, e is dis-played again, call the customerservice departmente and minus are displayed Light rays that are too strong on thecontrol panel, for example brightsunlightBriefly shade the control panel, forexample with the hand Acousticsignal sounds, appliance switchesitself off Switch appliance on(again)