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Frost guard function
You can ensure that the room thermostat always
switches on when the room temperature drops below
the forest protection temperature. To do this, turn the
infinitely variable knob
slightly clockwise starting from the minimum tempe-
rature setting and leave it in this position.
Switch off the unit
1. Turn the infinitely variable control
room thermostat counterclockwise as far as it
will go (minimum temperature setting).
2. Unplug the mains cable from the mains socket.
3. Let the appliance cool down completely.
22
of the room thermostat
3
of the
3
Troubleshooting
Problem
Cause
Unit has no power
supply
Unit, mains cable
or mains plug is
defective
The room tempe-
rature is above the
temperature set
on the thermostat
Unit without
function/not
heating
The safety thermo-
stat has triggered
The overheating
protection has
triggered
Reduced
Air inlet and outlet
airflow
not free
Note
After all troubleshooting, maintenance and cleaning
work, wait at least 5 minutes before switching the unit
on again.
If the unit still does not work properly, please contact
the customer service or an authorised electrician. The
unit must then be checked and repaired if necessary.
Solution
Check the socket
Plug in the mains
plug correctly
Check the house
fuse
Contact customer
service or a
specialist
Increase the ther-
mostat tempe-
rature
Switch off the
unit and discon-
nect the mains
plug.
Eliminate the cau-
se of overheating
before restarting
the appliance.
Switch off the
unit and discon-
nect the mains
plug.
Contact customer
service or a
specialist
Clean and ob-
serve minimum
distances
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