AEG 66300KF-an Operating And Installation Instructions page 31

... after having switched off the cooking zones, no for residual
warmth is indicated in the display.
Check whether
− the cooking zone was only briefly used and therefore did not become
hot enough.
If the cooking zone is hot, please call customer service.
... a cooking zone will not switch off.
Check whether
− the sensor switches are partially covered by a damp cloth or liquid.
− the Stop+Go function is switched on.
... a cooking zone will not switch on.
Check whether
− the child safety device is swiched on.
− the Stop+Go function is switched on.
... the display is illuminated?
Check whether the cooking zone has been overheated.
This display illuminates in the event of overheating, errors in the electronic
equipment or for reasons related to safety.
... the appliance is not responding when a sensor panel is actuated.
The appliance will not respond to a sensor panel being actuated if you are
simultaneously touching another sensor panel that is not part of a combi−
nation.
If you request a visit from customer service because of an error made in
operating the appliance, a visit from a customer service engineer may not
be free of charge even during the warranty period.
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