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Frequently asked questions
45
Problem Possible cause and solution
After the cooktop is ac‐
tivated,  appears in
the timer display for
several seconds.
The system lock or safety lock is activated.
Deactivate the system lock or safety lock (see
"System lock / Safety lock").
flashes in the
timer display and
the cooktop
turns off auto‐
matically.
One or more of the sensor buttons are covered, for
example by fingers, food boiling over or by an object.
Clean off any dirt or remove the object (see "Safe‐
ty shut-off").
After turning on the
cooktop,  appears in
the timer display for
several seconds. The
cooking zones don't
heat up.
The cooktop is in demo mode.
Deactivate demo mode (see "Programming").
A burner switches itself
off automatically.
A burner might have been operated for too long.
You can use the burner again by switching it back
on (see "Safety switch-off").
A cooking zone or the
whole cooktop turns off
automatically.
The overheat protection was triggered.
See "Overheat protection."
The booster has auto‐
matically switched off
early.
The overheat protection was triggered.
See "Overheat protection".
The burner is not work‐
ing in the usual way
with the set power lev‐
el.
The overheat protection was triggered.
See "Overheat protection".
Power setting 9 is auto‐
matically reduced if you
select power setting 9
on two linked burners
or extended zones at
the same time.
Operating both zones at power level 9 would exceed
the permitted maximum power for the cooktop.
Use another burner that is not linked.
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