40
EN
Maintenance of the refrigerant system
CAUTION
Risk of injury! Maintenance or repair work on the refrigerant system
may only be carried out by authorised specialist companies and trained
specialists. Maintenance by unqualifi ed persons can lead to injuries
and damage to the refrigerant system!
TROUBLESHOOTING
Problem
Possible cause
Suggested solution
The device is not running.
The device was not
switched on.
Press the POWER button.
The fuse is broken.
Have the fuse replaced by
a specialist.
The time for the start timer
has not expired yet.
Wait or deactivate the
timer.
There is air coming out of
the unit.
The temperature has been
set incorrectly.
The set temperature in
COOL mode should
be lower than the room
temperature.
The air fi lters are blocked.
Clean the fi lters.
The air inlet or air outlet is
blocked.
Remove anything that
obstructs air fl ow.
The unit is in a very hot
room.
The unit needs a little
more time to reach the set
temperature.
Doors and windows are
open.
Close doors and windows.