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What to do if …
Problem Possible cause Remedy
The cooking zones are not
functioning.
No cooking zone selected Select cooking zone within
10 seconds of switching on
(Decimal point lights up)
The cooking zones cannot be
selected / Appliance does
not react to the control panel
input
More than 10 seconds has
passed since the appliance
was switched on
Switch on the appliance
again.
Select cooking zone within
10 seconds of switching on
The child safety device is ac-
tivated
Deactivate the child safety
device (See section “Child
safety device”)
The sensor fields are partly
covered by a damp cloth or
with liquid
Remove the cloth or the liq-
uid
Safety cut-out has been trig-
gered
Switch on the appliance
again
The residual heat indicator is
not displaying anything
The cooking zone was only
on for a short time and is
therefore not hot
If the cooking zone is sup-
posed to be hot, call your lo-
cal Service Force Centre.
Er03
is displayed
Several sensor fields were
touched at the same time
Only touch one sensor field
Er21
is displayed
Safety cut-out due to over-
heating.
Let the appliance cool down.
Remove cookware.
Er25
is displayed
(only for 10 seconds)
Appliance is incorrectly con-
nected
Disconnect the appliance
from the electrical supply and
have it connected properly
Er40
is displayed The overvoltage protector
has been activated (for an in-
correct connection see
above
Er25
or for overheat-
ing of the electronic compo-
nents see
Er21
)
Separate the appliance from
the mains for a few minutes
(remove the mains fuse).
Let the appliance cool down.