TROUBLESHOOTING (BEFORE CALLING FOR
SERVICE)
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 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. | Batteries in remote controller have | 4. | Replace batteries. |
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| run down. |
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OPERATION lamp blinks and air | Trouble in system. | Contact service center. | ||
conditioner does not operate. |
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Compressor runs but soon stops. | Obstruction in front of condenser coil. | Remove obstruction. | ||
| (Outdoor Unit) |
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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 | 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 cold) |
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| 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 for | 6. | (Consult your dealer or try to use |
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| heating.) |
| another heat appliance.) |
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Clicking sound is heard from the air | In heating or cooling operation, any | This is normal, and the sound will soon | ||
conditioner. | plastic parts may expand or shrink due | disappear. | ||
| to a sudden temperature change. In |
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| this event, a clicking sound may occur. |
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OPERATION lamp lights but outdoor | The use of cellular phones near the air | 1. | Turn off the power then restart the | |
unit will not run. | conditioner may cause disturbance to |
| air conditioner after a while. | |
| its normal 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 temperature | Outdoor air temperature |
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COOLING | Max. | 95 °F DB / 71 °F WB | 115 °F DB |
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| Min. | 67 °F DB / 57 °F WB | 14 °F DB |
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HEATING | Max. | 80 °F DB / 67 °F WB | 75 °F DB / 65 °F WB |
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| Min. | – DB / – WB | – DB / 0 °F WB |
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