14
TROBLESHOOTING
TROUBLESHOOTING
Problem Possible cause Remedy
Red rings, limescale or water
rings, shiny metallic or other
discolouration, scratches/
shadows, bubbles or other
miscellaneous marks or stains on
ceramic glass cooktop surface.
Cooktop surface has not been
cleaned correctly. Cleaning/
maintenance of the cooktop surface
is not covered under warranty. If a
service call is placed to clean the
cooktop you will be charged for the
visit.
Use a ceramic glass cleaner such as
Cerapol.
Pitting of ceramic glass surface. Spillovers of liquid with high sugar
content.
These types of spills must be
removed immediately with a special
scraper for the glass. If not permanent
damage to the cooktop glass can
occur which is not covered under
warranty.
You cannot activate the
appliance or operate it.
• You touched 2 or more sensor
fields at the same time.
• The keep warm function
operates.
• There is water or fat stains on the
control panel.
Activate the appliance again and
set the heat setting in less than
10 seconds.
Touch only one sensor field.
Refer to the chapter “Operating
instructions”
Clean the control panel.
An acoustic signal sounds and
the appliance deactivates. An
acoustic signal sounds when the
appliance is deactivated.
You put something on one or more
sensor fields.
Remove the object from the sensor
fields.
The appliance deactivates. You put something on the sensor
field.
Remove the object from the sensor
field.
The residual heat indicator does
not come on.
The cooking zone is not hot because
it operated only for a short time.
If the cooking zone operated
sufficiently long to be hot, speak to
the service centre.
The Automatic Heat Up function
does not operate.
The cooking zone is hot. The highest
heat setting is set.
Let the cooking zone become
sufficiently cool.
The highest heat setting has the same
power as the Automatic Heat Up
function.
The heat setting changes
between two levels.
The Power management is activated. Refer to “Power management”.
The sensor fields become hot. The cookware is too large or you put
it too near to the controls.
Put large cookware on the rear
cooking zones if necessary.
There is no signal when you
touch the panel sensor fields.
The signals are deactivated. Activate the signals
(refer to “OffSound control”).
comes on
The automatic switch-off operates. Deactivate the appliance and activate
it again.
comes on
The Child Safety Device or the Lock
function operates.
Refer to the chapter “Operating
instructions”.
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