217
Troubleshooting
Problem
Cause
Suggested solution
The heater
does not
switch on.
No power to the power
socket or main fuse
defective.
Check the power supply and main fuse.
Power plug has not been
fully inserted.
Insert the plug into the power socket.
The appliance was not
switched on using the
main switch
(5)
.
Switch the appliance on (
5
).
The room temperature is
above the temperature set
on the thermostat.
Normal operation. Appliance automatically switches
on and produces heat as soon as the temperature
drops below the set value.
The daytime timer is
active, and the current day
of the week is 6 (Saturday)
or 7 (Sunday).
See the sections h (Overriding the timers) and i
(Deleting the timers).
Overheating protection is
triggered.
Remove any objects that are covering or impeding
the heater (if applicable) and switch the appliance
OFF (
5
).
Wait until the appliance has cooled down sufficiently,
then switch the power back ON (
5
).
If the heater fails to start again after cooling, it is
possible that it has been damaged by excessive
heat. In this case, switch the heater OFF (
5
) and
disconnect it from the power supply. Contact our
technical support service or other technical
personnel.
is
shown in the
display (
10
).
The temperature sensor is
not functioning properly.
Switch the appliance OFF! Disconnect from the
power supply and contact our technical support
service or other technical personnel.
Maintenance and cleaning