21 48663967 Rev 1
Contents
4. Troubleshooting
Before requesting service, perform following checks.
Symptom Remedy
Waiting
Indoor unit does not give
cool air immediately when
unit starts.
Compressor restarts after approximately
three minutes to protect itself. On
compressor restarting units starts to give
cool air again
Unusual odor blowing from
outlet when unit is started.
Open the door or window for 2 minutes
and run the AC in Fan mode to allow fresh
air inside the room. This helps to remove
odors from inside the room.
Sound of water ow during
operation.
This is caused by refrigerant owing inside
the unit.
Formation of mist while
cooling.
Room air is cooled quickly by cold air ow
which looks like fog.
Creaking noise during start
or stop.
Deformation of plastic because of
temperature change.
Unit does not operate.
Check electrical system connections,
cords and fuses.
Check if power supply is within 10% of
rated supply.
Decreased cooling eciency.
Check ‘set temperature’.
Check for obstructions in air inlet and
outlet.
Check air lters for dirt.
Check indoor fan speed.
Check any other openings in the room.
Remote control does not
work correctly.
Check eective distance to indoor unit.
Check low battery error indication on
remote display.
If the trouble has not been corrected, please contact a local dealer or the nearest customer service centre.
Be sure to inform them of the detailed malfunctions and unit model number.
Do not attempt to repair the unit yourself. Always consult an authorized service provider