Remounting
Grasp the sections near the front panel arms on both sides, and hold the front panel so that it is nearly horizontal. Push the arm shafts towards the outside so that they come into contact with the top of the indentations on the right and left sides of the air conditioner. Then push firmly until the arm shafts click into place. After closing the front panel, press firmly on the parts indicated by the arrows to securely fasten the panel in place.
Also refer to the figure that shows “How to replace the
Trouble | Possible Cause | Remedy |
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Clicking sound is | In heating or cooling | This is normal, and |
heard from the air | operation, any plastic | the sound will soon |
conditioner. | parts may expand or | disappear. |
| shrink due to a |
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| sudden temperature |
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| change. In this event, |
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| a clicking sound may |
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| occur. |
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CAUTION
When using a footstool or the like, be careful not to let it tip over.
OPERATION lamp | The use of cellular | 1. Turn off the power |
lights but outdoor unit | phones near the air | then restart the air |
will not run. | conditioner may | conditioner after a |
| cause disturbance to | while. |
Washing the front panel with water
•Clean the front panel gently using a soft sponge, or the like. Then wipe away any remaining moisture.
•Neutral detergent may be used to remove stubborn dirt. Then rinse thoroughly with water and wipe away any remaining moisture.
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 | 1. Power failure. | 1. | Restore power. | |
not run at all. | 2. | Leakage circuit | 2. | Contact service |
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| breaker tripped. |
| center. |
| 3. | Line voltage is too | 3. | Consult your |
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| low. |
| electrician or |
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| dealer. |
| 4. | Batteries in remote | 4. | Replace batteries. |
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| control unit have |
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| run down. |
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OPERATION lamp | Trouble in system. | Contact service | ||
blinks and air |
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| center. | |
conditioner does not |
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operate. |
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Compressor runs but | Obstruction in front of | Remove obstruction. | ||
soon stops. | condenser coil. |
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Poor cooling (or | 1. Dirty or clogged air | 1. | Clean air filter to | |
heating) |
| filter. |
| improve airflow. |
performance. | 2. | Heat source or | 2. | Eliminate heat |
| ||||
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| many people in |
| source if possible. |
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| room. |
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| 3. | Doors and/or | 3. | Shut them to keep |
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| windows are open. |
| the heat (or cold) |
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| out. |
| 4. | Obstacle near air | 4. | Remove it to |
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| intake or air |
| ensure good |
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| discharge port. |
| airflow. |
| 5. | Thermostat is set | 5. | Set the |
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| too high for cooling |
| temperature lower |
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| (or too low for |
| (or higher). |
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| heating). |
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| 6. | (Outdoor | 6. | (Consult your |
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| temperature is too |
| dealer or try to use |
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| low for heating.) |
| another heat |
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| appliance.) |
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its normal operation. |
2. Consult your |
dealer. |
OPERATING RANGE 
The air conditioner is operable within the temperature ranges as listed below:
| Temperature | Indoor air | Outdoor air | ||
|
| temperature | temperature | ||
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COOLING | Max. | 95 | °F DB / | 115 °F DB | |
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| 71 | °F WB |
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| Min. | 67 | °F DB / | 0 °F DB | |
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| 57 | °F WB |
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HEATING | Max. | 80 | °F DB / | 75 | °F DB / |
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| 67 | °F WB | 65 | °F WB |
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| Min. | – DB / – WB | – DB / 0 °F WB | ||
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WIRED REMOTE CONTROLLER 
Aseparately sold wired remote controller
17 | |
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