
Problem Possible cause Remedy
The backlight is on, but the
contrast of the display is
bad.
The hot cookware is on the
display.
Remove the object and let
the hob become sufficient‐
ly cool. If the contrast is not
clear, speak to an Author‐
ised Service Centre.
There is no signal when
you touch the panel sensor
fields.
The signals are deactiva‐
ted.
Activate the signals.
Refer to "Daily use" chap‐
ter.
II and text come on. Automatic Switch Off oper‐
ates.
Deactivate the hob and ac‐
tivate it again.
comes on.
The Child Safety Device or
the Lock function operates.
Refer to "Daily use" chap‐
ter.
? comes on. There is no cookware on
the zone.
Put cookware on the zone.
The cookware is incorrect. Use the correct cookware.
Refer to “Hints and tips”
chapter.
The diameter of the bottom
of the cookware is too
small for the zone.
Use cookware with correct
dimensions.
Refer to “Technical infor‐
mation” chapter.
The cookware does not
cover the cross / square.
Cover the cross / square
fully.
E and a number come on. There is an error in the
hob.
Disconnect the hob from
the electrical supply for
some time. Disconnect the
fuse from the electrical
system of the house. Con‐
nect it again. If E comes on
again, speak to an Author‐
ised Service Centre.
E4 comes on. There is an error in the hob
because a cookware boils
dry. Automatic Switch Off
and the overheating pro‐
tection for the zones oper‐
ate.
Deactivate the hob. Re‐
move the hot cookware.
After approximately 30
seconds, activate the zone
again. If the cookware was
the problem, the error mes‐
sage goes out. Residual
heat indicator can stay on.
Let the cookware become
sufficiently cool. Check if
your cookware is compati‐
ble with the hob.
Refer to “Hints and tips”
chapter.
ENGLISH 17
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