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14 TROUBLESHOOTING
TROUBLESHOOTING
WARNING
WARNING
Repairs to the appliance are only to be carried out by
qualified service engineers. Considerable danger to the
user may result from improper repairs.
TIPS & INFORMATION
IMPORTANT
If the appliance has been wrongly operated, the visit from
the customer service technician or dealer may not take
place free of charge, even during the warranty period.
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.
The cooking zones will not
switch on or are not functioning.
• More than 10 seconds have passed
since the appliance was switched on.
• Switch the appliance on again.
• The child safety device is switched
on .
• Deactivate the child safety device (See
the section “Child safety device”).
• Several sensor fields were touched at
the same time.
• Only touch one sensor field.
• Automatic switch off has been
triggered.
• Remove any objects (pan, cloths, etc.)
that are lying on the control panel.
Switch the appliance on again.
• The lock is switched on .
• Switch off the lock (See the section
“Locking/unlocking the control panel”).
Acoustic signal sounds when
appliance is switched off.
• The control panel is wholly or partly
covered by objects.
• Remove objects.
The residual heat indicator is not
displaying anything.
• The cooking zone was only on for a
short time and is therefore not hot.
• If the cooking zone is supposed to
be hot, call the Customer Service
Department.
The automatic warm up
function is not switching
itself on.
• There is still residual heat on the
cooking zone .
• Let the cooking zone cool down.
• The highest heat setting is set .
•
The highest heat setting has the same
power as the automatic warm up function.
• The heat setting was set using the
sensor field
.
1. Switch off the cooking zone
2. Set the cooking zone using the
sensor field .
Acoustic signal sounds and
appliance switches itself on and
then off again; after 5 seconds
another acoustic signal sounds.
• The On/Off sensor field has been
covered up, e.g. by a cloth.
• Do not place any objects on the
control panel.
is lit.
• Overheating protection for the
cooking zone has been triggered.
• Switch off the cooking zone. Switch the
cooking zone on again.
• Automatic switch off has
been triggered.
• Switch off the cooking zone. Switch the
cooking zone on again.
and number are displayed.
• Electronics fault. • Disconnect the appliance from the
electrical supply for a few minutes
(Take the fuse out of the house’s wiring
system) If after switching on again,
is displayed again, call the customer
service department.
If you are unable to remedy the problem by following the above suggestions, please contact your dealer or the
Customer Care Department.
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