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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 circuit 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 (or heating)
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 (or cold) 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 (or
too low for heating).
5. Set the temperature lower (or higher).
6. (Outdoor temperature is too low.) 6. (Consult your dealer or try to use a
back-up heater.)
Clicking sound is heard from
the air conditioner.
In heating or 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.
Operating Range
The air conditioner is operable within the temperature ranges as listed below:
Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.
COOLING
Maximum 95 °F DB/71 °F WB 115 °FDB
Minimum 67 °F DB/57 °F WB 67 °FDB
HEATING
Maximum 80 °F DB/67 °F WB 75 °F DB/65 °FWB
Minimum – DB/– WB 17 °F DB/15 °F WB
oi330000
26 OI-202-22EG
oi202000