Problem solving guide
56
Issue
Cause and remedy
flashes in the timer
display and the hob
switches off
automatically.
One or more of the sensor controls are covered, e.g.
by finger contact, food boiling over or an object.
Clean off any dirt and/or remove the object (see
“Safety switch-off”).
After the hob has been
switched on,
appears
briefly in the timer
display. The cooking
zones do not heat up.
The hob is in demonstration mode.
Touch the
and
sensor controls at the same
time until
flashes alternately with
in the
timer display.
A cooking zone
switches off
automatically.
It has been operated for too long.
You can use the cooking zone again by switching
it back on (see “Safety switch-off”).
A cooking zone or the
whole hob switches off
automatically.
The overheating protection mechanism has been
activated.
See “Safety features”.
The Booster has
deactivated early
automatically.
The overheating protection mechanism has been
activated.
See “Safety features”.
The cooking zone is not
working in the usual
way on the power
setting selected.
The overheating protection mechanism has been
activated.
See “Safety features”.
Power level 9 is
automatically reduced if
you select power level 9
on two linked cooking
zones at the same time.
Operating both zones at power level 9 would exceed
the permitted maximum power for the two zones.
Use a different cooking zone.
The food in the pan
does not heat up when
the Auto heat-up
function is switched on.
A large amount of food is being heated up.
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 pot or pan which conducts heat
properly.
An operating noise can
be heard after the
appliance has been
switched off.
The cooling fan runs until the hob has cooled down
and then switches off automatically.
Summary of Contents for KM 7404 FX
Page 4: ...Contents 4 Flush fit installation 78 Electrical connection 79 ...
Page 14: ...14 ...
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