Troubleshooting
Before as the special repair center for help, please check the following items of the air conditioner
Not trouble
Symptom
Hear the sound of water flow
In DEHUMIDIFYING, no air sent out or cannot change the fan speed.
Having peculiar smell in the out air
The stopped indoor unit gives out sound, white vapor or cold air.
Cause
The water flow sound when operation starts; during operation and shortly after operation stops, in
In DEHUMIDIFYING operation, when the room temperature is 2 
C higher than the set temperature, despite of the set FAN SPEED the air conditioner will operate in LOW FAN SPEED.
Because the smells generated by wall, carpet, furniture,clothes, cigarette and cosmetic, etc. attached on the air conditioner.
In order to prevent the oil and refrigerant from resorting in the indoor unit, there is refrigerant flow in very short time, so they give out ìSha, Shaî, ìGulu, Guluî. Additionally, when the other indoor units perform HEATING operation, sometimes white vapor appears; when the other indoor units perform COOLING operation, cold air appears.
If there is the following symptom and check they are the following causes, please solve them according to the below given methods.
Symptom
The unit does not work
Once the unit starts, it stops immediately
Abnormal COOLING or
HEATING
Causes
The fuse is blown out or the breaker is
The air inlet or outlet of indoor and outdoor unit is blocked
The air inlet or outlet of indoor and outdoor unit is blocked
Improper set temperature The fan speed is set too low Doors or windows are open
Direct sunshine. (COOLING) Too much people in room (COOLING) Toomanyheatsourcesinroom(COOLING)
Solution
Change fuse or close breaker
Remove the obstacle
Remove the obstacle
Refer to page 7
Refer to page 7
Close them
Hang curtains or blinds before window
Trouble Contents | Code Displayed |
Indoor temperature sensor trouble | F1 |
|
|
Inner pipe coil sensor trouble (thin pipe) | F2 |
|
|
Inner pipe coil sensor trouble (thick pipe) | F4 |
|
|
High pressure trouble (pressure) | F5 |
Drainage trouble | F6 |
|
|
If after the above checking and treatment, the air conditioner still cannot work normally, or |
|
find the following phenomena, please stop the unit and contact the commissioned service |
|
center. |
|
The fuse or breaker is often blown out or open circuit. |
|
In COOLING or DEHUMIDIFYING, there is water leakage. |
|
Abnormal operation or abnormal sound be heard. |
|
The display screen of the wire controller shows trouble code indicating the unit has | 13 |
trouble. |
