Troubleshooting
If your air conditioner does not work properly, first check the following points before requesting service. If
it still does not work properly, contact your dealer or service center.
Trouble
Possible Cause
Remedy
Air conditioner does not
run at all.
1. Power failure.
1. Restore power.
2. Leakage breaker tripped.
2. Contact service center.
3. Line voltage is too low.
3. Consult your electrician or dealer.
4. Operation button is OFF.
4. Press the button again.
5. Batteries in remote control unit
have run down.
5. Replace batteries.
OPERATION lamp flashes
and air conditioner does
not operate.
Trouble in wiring system.
Contact service center.
Compressor runs but
soon stops.
Obstruction in front of condenser coil. Remove obstruction.
Poor cooling
performance.
1. Dirty or clogged air filter.
1. Clean air filter to improve airflow.
2. Heat source or many people in
room.
2. Eliminate heat source if possible.
3. Doors and/or windows are open.
3. Shut them to keep the heat out.
4. Obstacle near air intake or air
discharge port.
4. Remove it to ensure good airflow.
5. Thermostat is set too high for
cooling.
5. Set the temperature lower.
Clicking sound is heard
from the air conditioner.
In cooling operation, any plastic parts
may expand or shrink due to a
sudden temperature change. In this
event, a clicking sound may occur.
This is normal, and the sound will
soon disappear.
OPERATION lamp lights
but outdoor unit will not
run.
1. The use of portable telephones
near the air conditioner may cause
disturbance to its normal
operation.
1. Turn off the power then restart the
air conditioner after 1 minute.
2. Consult your dealer.
Tips for Energy Saving
Do not
•
Block the air intake and outlet of the unit. If they are obstructed,
the unit will not work well, and may be damaged.
•
Let direct sunlight into the room. Use sunshades, blinds or curtains.
If the walls and ceiling of the room are warmed by the sun, it will
take longer to cool the room.
Do
•
Always try to keep the air filter clean. (Refer to ‘‘Care and Cleaning’’.)
A clogged filter will impair the performance of the unit.
•
To prevent conditioned air from escaping, keep windows, doors and
any other openings closed.
23
OI-859-23EG
