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Troubleshooting
Before as the special repair center for help, please check the following items of the air
conditioner
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.
If there is the following symptom and check they are the following causes,
please solve them according to the below given methods.
Symptom
The fuse is blown out or the
The unit does
not work
breaker is open-circuit.
Once the unit starts,
The air inlet or outlet of indoor and
it stops immediately
outdoor unit is blocked
The air inlet or outlet of indoor
Abnormal
and outdoor unit is blocked
COOLING or
Improper set temperature
HEATING
The fan speed is set too low
Doors or windows are open
Direct sunshine. (COOLING)
Too much people in room (COOLING)
Too many heat sources in room (COOLING)
Indoor temperature sensor trouble
Inner pipe coil sensor trouble (thin pipe)
Inner pipe coil sensor trouble (thick pipe)
High pressure trouble (pressure)
Drainage trouble
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
trouble.
Cause
The water flow sound when operation starts; during operation and shortly
after operation stops, in 2-3 minutes shortly after the operation starts,
sometimes the sound becomes louder. This is the sound of refrigerant flow
and the draining sound of condensate water.
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.
Causes
Trouble Contents
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
Code Displayed
F1
F2
F4
F5
F6
13
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