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 |
does not work at | again. |
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/Turbo mode. In these |
adjustment is not | modes,desired temperature is set to auto and you cannot |
working. | adjust the temperature. |
Cool/Warm air | • Check if the set temperature is higher(during Cool mode)/ |
does not come out | lower(during Heat mode) than the current temperature. |
of the air condi- | Press the Temp + or - button on the remote controller to |
tioner. | 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. |
ENGLISH
English-25
MAX4 AR30JV&JS_IB&IM_DB68-04541A_EN.indd 25
2014/9/26 16:38:50