Problem
Possible cause
Remedy
There is water or fat stains on the
control panel.
Clean the control panel.
An acoustic signal sounds and
the hob deactivates.
An acoustic signal sounds when
the hob is deactivated.
You put something on one or more
sensor fields.
Remove the object from the sensor
fields.
The hob deactivates.
You put something on the sensor
field
.
Remove the object from the sensor
field.
Residual heat indicator does not
come on.
The zone is not hot because it oper‐
ated only for a short time or the sen‐
sor is damaged.
If the zone operated sufficiently long to
be hot, speak to an Authorised Service
Centre.
Hob²Hood does not work.
You covered the control panel.
Remove the object from the control
panel.
You use a very tall pot which blocks
the signal.
Use a smaller pot, change the cooking
zone or operate the hood manually.
Automatic Heat Up does not op‐
erate.
The zone is hot.
Let the zone become sufficiently cool.
The highest heat setting is set.
The highest heat setting has the same
power as the function.
You cannot activate the outer
ring.
First, activate the inner ring by chang‐
ing the heat setting.
There is a dark area on
the multiple zone.
It is normal that there is a dark area
on the multiple zone.
The heat setting changes be‐
tween two levels.
Power management operates.
Refer to "Daily use".
The sensor fields become hot.
The cookware is too large or you put
it too near to the controls.
Put large cookware on the rear zones,
if possible.
There is no sound when you
touch the panel sensor fields.
The sounds are deactivated.
Activate the sounds.
Refer to "Daily use".
comes on.
Child Safety Device or Lock oper‐
ates.
Refer to "Daily use".
and a number come on.
There is an error in the hob.
Deactivate the hob and activate it
again after 30 seconds. If
comes
on again, disconnect the hob from the
electrical supply. After 30 seconds,
connect the hob again. If the problem
continues, speak to an Authorised
Service Centre.
You can hear a constant beep
noise.
The electrical connection is incor‐
rect.
Disconnect the hob from the electrical
supply. Ask a qualified electrician to
check the installation.
comes on.
The second phase of the power sup‐
ply is missing.
Check if the hob is correctly connected
to the electrical supply. Remove the
fuse, wait one minute, and insert the
fuse again.
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Summary of Contents for HK654850XB
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