TROUBLESHOOTING
If a problem occurs, please check the following before maintenance:
Troubles
Possible Causes
Solutions
The air conditioner doesn't
start.
The power supply is not connected.
The power plug is not inserted
correctly.
There is a fault with the power
plug or socket.
The fuse has blown.
1.Insert the power plug correctly.
2.Replace the power plug or socket.
(carried out by qualified electrican)
3. Replace the fuse.
Although it was set to COOL
mode, there is no cool air
coming from the unit.
1. The room temp. is lower
than the set temp.
2. The evaporator is frozen.
1.This is normal.
2.Unit is running in defrosting oper-
ation, it will resume running in
original operation after defrosting.
Although it was set the DRY
mode, there is no cool wind.
1. The evaporator is frozen.
1. Unit is running in defrosting
operation, it will resume running in
original operation after defrosting.
The LED displays" ".
1. Low voltage over current
protection.
Cut off power supply, after 10
minutes, turn on the unit, if " "
still is displayed, please call a
service engineer.
The LED displays" ".
The water tank is full.
1. Pour out water in the tank
2.If the problem still exists,
please call a service engineer.
The LED displays" ".
Fault with the evaporator
temperature sensor.
Check if indoor room temperature
sensor is connected properly
Call a service engineer.
The LED displays" ".
Fault with the evaporator
temperature sensor.
Check if the evaporator temperature
is connected properly.
The LED displays" ".
1. The wiring terminal between
outdoor condenser temperature
sensor and controller was
loosened or poorly contacted;
2. There’s short circuit due to the
trip-over of the parts on controller;
3.Outdoor condenser temperature
sensor was damaged .
4. Main board was broken.
1.Remove the temperature sensor,
then re-insert it to make it stable.
2.Check the circuit on the controller.
3.Replace the temperature sensor.
4.Replace the main board after
repair.
Call a service engineer.
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