AEG HKH81700XB User Manual page 18

18 www.aeg.com
Problem
The backlight is on, but the
contrast of the display is
bad.
There is no signal when you
touch the panel sensor
fields.
E and a number come on.
E3 comes on.
E4 comes on.
E7 comes on.
E8 comes on.
E9 comes on.
7.2 If you cannot find a
solution...
If you cannot find a solution to the
problem yourself, contact your dealer or
an Authorised Service Centre. Give the
data from the rating plate. Give also
Possible cause
The hot cookware is on the
display.
The signals are deactivated.
There is an error in the hob.
The electrical connection is
incorrect. The supply voltage
is out of range.
There is and error in the hob
because a cookware boils
dry. Overheating protection
for the zones operates.
The cooling fan is blocked.
The electrical connection is
incorrect. The hob is con-
nected only to one phase.
There is an error of the inter-
face.
three digit letter code for the glass
ceramic (it is in the corner of the glass
surface) and an error message that
comes on. Make sure, you operated the
hob correctly. If not the servicing by a
service technician or dealer will not be
free of charge, also during the warranty
Remedy
Remove the object and let
the hob become sufficiently
cool. If the contrast is not
clear, speak to an Author-
ised Service Centre.
Activate the signals.
Refer to "Daily use" chapter.
Disconnect the hob from the
electrical supply for some
time. Disconnect the fuse
from the electrical system of
the house. Connect it again.
If E comes on again, speak
to an Authorised Service
Centre.
Speak to a qualified electri-
cian to check the installation.
Deactivate the hob and let it
cool down. Activate the hob
again. If the cookware was
the problem the message
goes out. If the message
comes on contact an Author-
ised Service Centre.
Check if objects block the
cooling fan. If the message
comes on again contact an
Authorised Service Centre.
Speak to a qualified electri-
cian to check the installation.
Refer to the connection dia-
gram.
Deactivate the hob and acti-
vate it again. If the message
comes on contact an Author-
ised Service Centre.