TROUBLESHOOTING
PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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Unit does not operate | Unit is unplugged | Securely plug receptacle into the | ||
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| power outlet | |
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| Drain tank is full | Empty water tank | |
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| Water tank not installed correctly | Completely insert water tank | |
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| Air exhaust is clogged | Clear exhaust hose | |
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| Timer is on | Cancel the timer and wait for it to | |
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| run automatically | |
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Unit does not cool room | There is a heating source in the | Turn down or off the other | ||
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| room | heating source | |
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| Temperature setting is too high | Lower temperature setting | |
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| Air filter is dirty | Clean or replace the air filter | |
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| Air exhaust is not installed | Check the air exhaust duct to | |
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| correctly | make sure that the hot exhaust | |
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| air is let out of the room freely | |
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| Room is too big or too much | This unit provides spot cooling or | |
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| ambient sunlight is reaching in | cooling for a room no larger than | |
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| 350 square feet with standard ceil- | |
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| ing height | |
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| There is frost on the evaporator | The unit will defrost automatically | |
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| and return to operation afterwards | |
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In dehumidifying mode, no cool air | There is frost on the evaporator | The unit will defrost automatically | ||
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| and will return to operation after- | ||
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| wards | |
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LCD window shows “E4” | The water tank is full | Empty the water tank | ||
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| The water tank is not installed | Completely insert the water | |
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| correctly | tank | |
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Noise or vibration | Surface is not level | Place unit on a level surface | ||
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| and away from obstructions | |
Water is leaking from unit | Surface is not level | Place unit on a level surface | ||
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| Drainage plug is loose | Make sure the plug of drainage | |
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| spout is securely in place and in- | |
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| ternal black drain pipe is plugged | |
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LCD window show “E1” | Power supply is unstable | Turn off the unit and wait for ten | ||
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| minutes before restart. Call for | |
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| technical support if the “E1” per- | |
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| sists. | |
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