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Troubleshooting
Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses.
PROBLEM | SOLUTION |
|
|
The air conditioner | • Check power status and then operate the air conditioner again. | ||
does not work at all. | • Plug in or switch on the circuit breaker and then operate the air | ||
| conditioner again. |
|
|
| • Ensure Isolator is switch on. |
|
|
| • Check if you have set the Off Timer. Operate the air conditioner | ||
| again by pressing the Power button. |
|
|
The temperature | • Check if you have selected Fan/Fast mode. In these modes, desired | ||
adjustment is not | temperature is set to auto and you cannot adjust the temperature. | ||
working. |
|
|
|
|
| ||
Cool/Warm air does | • Check if the set temperature is higher(during Cool mode)/ | ||
not come out of the | lower(during Heat mode) than the current temperature. Press the | ||
air conditioner. | Temp + or - button on the remote controller to change the set | ||
| temperature. |
|
|
| • Check if the Air filter is blocked by dirt. If there is a lot of dust on | ||
| the Air filter, cooling(heating) performance may decrease. Clean | ||
| them frequently. |
|
|
| • Check if the outdoor unit is covered or installed near the obstacle. | ||
| Take the cover off and take the obstacle away. |
| |
| • Check if the air conditioner is operating in defrost mode. When the | ||
| ice formed in winter or the outdoor temperature is too low, the | ||
| air conditioner operates in defrost mode automatically. In defrost | ||
| mode, indoor fan stops and warm air does not come out. | ||
| • If the doors or windows are open, it may cause bad cooling | ||
| (heating) performance. |
|
|
| Close the doors and windows. |
|
|
| • Check if the air conditioner has just been turned on after stopping | ||
| cooling or heating operation. In this case, just a fan will run to | ||
| protect the outdoor unit compressor. |
|
|
| • Check if the pipe length is too long. When the pipe length exceeds | ||
| maximum allowable pipe length, cooling (heating) performance | ||
| may decrease. |
|
|
Air flow adjustment | • Check if you have selected | mode. In cool mode, you | |
is not working. | cannot adjust the air flow direction. (If the | mode is | |
| operating in Heat mode, you can adjust the air flow direction.) | ||
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English-28
A3050 TV_IB&IM_DB68-04043A-01_EN.indd 28
2014/8/15 15:44:30