17
TROUBLESHOOTING
Please check the machine according to the following form before asking for maintenance:
PROBLEM
POSSIBLE CAUSE
TROUBLESHOOTING
Unit does not turn on
when pressing ON/
OFF button
P1 Error Code
The Water Collection Tray is full. Turn off the unit, drain
the water from the Water Collection Tray and restart the
unit.
In COOL mode: room temperature is lower than
the set temperature
Re
duce
the temperature
set point to lower value.
Unit does not
cool well
The air filter is blocked with dust or animal hair
Turn off the unit and clean the filter according to
instructions
Exhaust hose is not connected or is blocked
Turn off the unit, disconnect the hose, check for blockage
and reconnect the hose
The unit is low on refrigerant
Call a service technician to inspect the unit and top off
refrigerant
Temperature setting is too high
Reduce the temperature set point to lower value
The windows and doors in the room are open
Make sure all windows and doors are closed
to reduce
ventilation
The room area is too large
Double-check the cooling area
There are heat sources inside the room
Remove the heat sources if possible
The unit is noisy and
vibrates too much
The ground is not level
Place the unit on a flat, level surface
The air filter is blocked with dust or animal hair
Turn off the unit and clean the filter according to
instructions
The unit makes a
gargling sound
This sound is caused by the flow of refrigerant
inside the unit
This is normal
E1-E
4
or P1 appears
on the LED display
See self-diagnosis section on page 14
