Manual
18
TROUBLESHOOTING 
Problem  Possible Causes  Solutions 
The unit has worked for a long 
time, but the room is not cold 
enough
 Windows or doors are open
 There are too many people in the
room
 There is direct sunshine into the
room
 The room is a kitchen or with many
heat-producing appliances
 There is a server in the room
 The room is too large
 Close all windows and doors
 You may need additional cooling or
another air conditioner
 Close curtains or blinds and try to min-
imize the amount of direct sunlight into
the room
 You may need additional cooling or
another air conditioner
The unit is very noisy  The unit is not level
 The surface underneath the unit is
uneven
 Low power voltage
 Make sure the unit is on hard, level
and stable surface
 Move the unit to a location with a level
and hard floor
 Make sure the wall outlet and support
the required power consumption of the
air conditioner and do not use an ex-
tension cord
The unit leaks water  The unit is tilted or not leveled
 The water tank is full
 Make use the unit is leveled
 Drain water from the drain plug at the
back of the air conditioner
Fan speed cannot be changed  Fan speed differences are not very
noticeable
 The fan speed difference is not very
noticeable when the compressor is on.
Try setting the unit to Fan only mode,
you should be able to hear the differ-
ence between high and low fan speed
settings.










