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English
15
CHECK THE FOLLOWING BEFORE REQUESTING SERVICE
MALFUNCTIONS
CAUSES
TROUBLE SHOOTING
The system does not
work at all.
Blown fuse or open breaker.
Replace the fuse or close the breaker.
Power interruption.
Operation will restart automatically after
power turns back again.
The system runs
momentarily then
stops.
Blocked air inlet or air outlet of the indoor or outdoor unit.
Remove the obstacle.
The air filter is clogged.
Clean the air filter. See page 17.
The air outlet or inlet is closed too much.
Adjust air outlet in order to have sufficient
air.
Cooling/Heating effect
is poor.
Blocked air inlet or air outlet of the indoor or outdoor unit.
Remove the obstacle.
The air filter is clogged.
Clean the air filter. See page 17.
Improper temperature setting.
See page 9.
Improper air flow direction.
See page 13.
Window or door open.
Close.
[Cooling]
Direct sunshine.
Provide windows with curtains or blinds.
[Cooling]
Too many people in the room.
[Cooling]
Too much heat in the room.
NOTE
• If failing to identify the causes after checking the above items, contact your dealer and specify the symptoms and the model.
01_EN_3PR05311-1.fm Page 15 Tuesday, June 2, 2009 3:36 PM