473238
Symptom Possible cause Solution
Fault code E4, E5, E6 or
E9.
Defective generator. Contact the service
department.
Fault code
You held a button too long. Do not hold the button too
long.
Fault code
The childproof lock is
switched on.
See “Child lock”, page 14.
NOISE AND ITS CAUSES DURING INDUCTION COOKING
Noises and sounds Cause Solution
Induction-
generated
operating noise
Induction technology is based
on the properties of some
metals under electromagnetic
e ect. It results in so-called
eddy currents that force the
molecules to oscillate.
These oscillations (vibrations)
are transformed into heat.
Depending on the type of
metal, this could result in quiet
noises.
This is normal and it is not a
result of any malfunction.
Transformer-like
buzz
Occurs when cooking at a high
power level. The reason for
this is the amount of energy
transferred from the cooking
hob to the pot or pan.
This noise will disappear or
weaken when you reduce the
power level.
Vibration and
crackling of the
cookware
This noise appears in cookware
(pots or pans) made of
di erent materials.
It results from vibrations
along the adjacent surfaces
of di erent material layers.
This noise depends on
the cookware. It can vary
depending on the amount and
type of food being cooked.
Fan noise Correct operation of induction
electronic components requires
temperature control. Therefore,
the cooking hob is fi tted with a
fan which operates at varying
speed, depending on the
perceived temperature.
The fan may operate even
after the cooking hob has been
switched o , if the temperature
remains too high.
18
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