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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
Air conditioner does not run
at all.
OPERATION lamp flashes
and air conditioner does not
operate.
Compressor runs but soon
stops.
Poor cooling performance.
Clicking sound is heard from
the air conditioner.
OPERATION lamp lights but
outdoor unit will not run.
OI-378-23EG
Troubleshooting
Possible cause
1. Power failure.
2. Leakage circuit breaker tripped.
3. Line voltage is too low.
4. Operation button is OFF.
5. Batteries in remote control unit
have run down.
Trouble in wiring system.
Obstruction in front of condenser coil.
1. Dirty or clogged air filter.
2. Heat source or many people in
room.
3. Doors and/or windows are open.
4. Obstacle near air intake or air
discharge port.
5. Thermostat is set too high for
cooling.
In cooling operation, any plastic parts
may expand or shrink due to a sudden
temperature change. In this event, a
clicking sound may occur.
1. The use of portable telephones
near the air conditioner may cause
disturbance to its normal operation.
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.
Remedy
1. Restore power.
2. Contact service center.
3. Consult your electrician or dealer.
4. Press the button again.
5. Replace batteries.
Contact service center.
Remove obstruction.
1. Clean air filter to improve airflow.
2. Eliminate heat source if possible.
3. Shut them to keep the heat out.
4. Remove it to ensure good airflow.
5. Set the temperature lower.
This is normal, and the sound will
soon disappear.
1. Turn off the power then restart the
air conditioner after 1 minute.
2. Consult your dealer.
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