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8
Troubleshooting
This chapter summarizes the most common issues that may
occur with the appliance. If the solution is not found in the table
below, please contact an authorized service technician.
Problem
The appliance does not turn on when
pressing ON/OFF button.
The appliance works for a short time only. There are bends or kinks in the air exhaust
The appliance turns on and off rapidly.
The appliance is working in air
conditioning modes, but does not cool the
room properly.
Unpleasant odours during operation.
Dust is being discharged from the air
outlet.
The appliance is noisy and vibrates too
much.
Cool 4000 – 6721875493 (2023/09)
Possible cause
The appliance is not plugged in.
There is no current.
An internal safety device prevents the
appliance from being restarted until four
minutes have elapsed since it was last
turned off.
Room temperature is lower than the
setting temperature.
hose.
Something is preventing the air from
being discharged.
The air filter is soiled.
Unfavourable ambient conditions:
windows, doors and/or curtains are open.
Unfavourable ambient conditions: the
room contains powerful heat sources.
The air filter is soiled.
Incorrect temperature setting.
Compressor shut-off.
Air intakes and/or air outlets are
obstructed.
The technical specification of the
appliance is not adequate for the room
size in which it is located.
Unpleasant odours in the air may enter the
appliances and spread.
The air filter is soiled.
Dust may accumulate in the appliance if it
is shut down for an extended period and
not covered.
The ground is not level.
The air filter is soiled.
Possible solution
Plug in the appliance.
Check if a circuit breaker has flipped off
and in case reset circuit breaker.
Otherwise wait.
If you turn the appliance off wait 4 minutes
to restart it.
Reset the setting temperature.
Position the air exhaust hose correctly,
keep it as short as possible and free of
bends.
Check and remove any obstacles
obstructing air discharge.
Turn off the appliance and clean the filter.
Close doors, windows and curtains.
Eliminate the heat sources.
Turn off the appliance and clean the filter.
Setting temperature should be lower than
ambient temperature.
Wait approximately 4 minutes and listen
for compressor to restart when set in air
conditioning mode.
Check and remove any obstacles
obstructing air in- or/and out takes.
Reconfirm that the cooling capacity is
adequate for the room in which it is
located.
Turn off the appliance and clean the filter.
Place the appliance on a flat, level surface.
Turn off the appliance and clean the filter.
Troubleshooting
21
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