17What 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 lock is switched on l Switch off the lock (See the section“Locking/unlocking the controlpanel”)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 fieldThe sensor fields are partly coveredby a damp cloth or with liquidRemove the cloth or the liquid.Switch the appliance on again.Safety cut-out has been triggered Switch the appliance on againThe residual heat indicator is notdisplaying anything The cooking zone was only on for ashort time and is therefore not hotIf the cooking zone is supposed tobe hot, call your local Service ForceCentre.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 functionRepeated acoustic signal (6x), ap-pliance switches offOne or more sensor fields havebeen covered for longer than 10secondsUncover sensor 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 panelDisplay is switching between twoheat settingsPower management is reducing thepower of this cooking zoneSee the section “Switching thepower function on and off”f flashes Unsuitable cookware Use suitable cookwareNo cookware on the cooking zone Place cookware on the cookingzoneThe diameter of the bottom of thecookware is too small for the cook-ing zoneMove onto a smaller cooking zoneUse suitable cookware_ 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 department