Troubleshooting

Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses.

PROBLEMSOLUTION

 

 

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/Fast mode. In these modes,

adjustment is not

set temperature is set to auto and you cannot adjust the

working.

temperature.

Cool/Warm air

• Check if the set temperature is higher(during Cool mode)/

does not come

lower(during Heat mode) than the current temperature.

out of the air

Press the Temp + or - button on the remote controller to

conditioner.

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-30

A3050 MG ModelIB&IM_DB68-04542A_HP_EN.indd30

 

 

2014/4/1 11:49:01