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 |
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Air conditioner does not | 1. | Power failure. | 1. | Restore power. |
run at all. | 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 | 5. | Replace batteries. |
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| have run down. |
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OPERATION lamp flashes | Trouble in wiring system. | Contact service center. | ||
and air conditioner does |
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not operate. |
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Compressor runs but soon | Obstruction in front of condenser coil. | Remove obstruction. | ||
stops. |
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Poor cooling (or heating) | 1. Dirty or clogged air filter. | 1. Clean air filter to improve airflow. | ||
performance. | 2. | Heat source or many people in | 2. | Eliminate heat source if possible. |
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| room. |
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| 3. | Doors and/or windows are open. | 3. | Shut them to keep the heat (or |
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| cold) out. |
| 4. | Obstacle near air intake or air | 4. | Remove it to ensure good airflow. |
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| discharge port. |
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| 5. | Thermostat is set too high for | 5. | Set the temperature lower (or |
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| cooling (or too low for heating). |
| higher). |
| 6. (Outdoor temperature is too low.) | 6. | (Consult your dealer or try to use a | |
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Clicking sound is heard | In heating or cooling operation, any | This is normal, and the sound will | ||
from the air conditioner. | plastic parts may expand or shrink | soon disappear. | ||
| due to a sudden temperature change. |
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| In this event, a clicking sound may |
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| occur. |
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OPERATION lamp lights | 1. The use of portable telephones | 1. Turn off the power then restart the | ||
but outdoor unit will not |
| near the air conditioner may cause |
| air conditioner after 1 minute. |
run. |
| disturbance to its normal |
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| operation. |
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| 2. | Consult your dealer. |
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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 °F DB | ||
Minimum | 67 °F DB/57 °F WB | 67 | °F DB | ||
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HEATING | Maximum | 80 °F DB/67 °F WB | 75 | °F DB/65 °F WB | |
Minimum | – DB/– WB | 17 °F DB/15 °F WB | |||
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