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Problem Possible cause Remedy
The hob switches off
while it is in use, an F
appears in every
cooking zone display
and a tone sounds.
One or more of the
sensors have been
covered, e.g. by finger
contact, food boiling
over or by an object
such as an oven glove.
Clean the control panel or
remove the obstruction (see
"Safety switch-off").
The food in the pan
hardly heats up or does
not heat up at all when
the Auto heat-up
function is switched
on.
There is too much food
in the pan.
Start cooking at the highest
power level and then turn
down to a lower one
manually later on.
The pan is not
conducting heat
properly.
Use a different pan.
One or more residual
heat indicators are
flashing.
There was an
interruption to the
power supply during
operation, and the hob
has switched itself off.
No remedy necessary.
The hob can be used again.
Check how well the food is
cooked and whether it has
been affected by the power
failure before switching the
cooking zone(s) back on
again.
The residual heat
indicators have lit up
during programming.
No remedy necessary.
The indicators will flash until
the maximum residual heat
time has elapsed or the
cooking zone is switched on.
It is taking too long for
the contents of the pan
to come to the boil.
You can test the power level
of the cooking zone (see "To
test the power level").
Problem solving guide
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