EN-25
ENGLISH
MALFUNCTION ANALYSIS
If malfunction occur, please check the following before maintenance:
Troubles
Possible Causes
Solutions
The air conditioner
doesn't start.
The power supply is not
connected well.
The power plug is not inserted
tightly.
There is the malfunction of
power plug or socket.
The fuse is broken.
1. Insert the power plug tightly.
2. Replace the power plug or
socket.
3. Ask for the maintenance man
to replace the fuse.
Although it was set to
COOL mode, there is
no cool wind.
1. The room temperature is
lower than the set temp.
2. The evaporator frosts.
1. This is the normal
phenomenon. Unit is running
in defrosting operation, it will
resume running in original
operation after defrosting.
Although it was set the
DRY mode, there is no
cool wind.
The evaporator frosts.
1. Unit is running in defrosting
operation, it will resume
running in original oration
after defrosting.
The LED displays " ".
Low voltage over current
protection.
Cut off power supply, after
10 minutes, turn on the unit,
if " still be displays, please
inform the maintenance man to
maintain.
The LED displays" ".
The water tank gets full.
Pour out water in the tank
The LED displays" ".
Malfunction of Ambient
temperature sensor.
Check if indoor room
temperature sensor is
connected properly
The LED displays" ".
Malfunction of evaporator
temperature sensor.
Check if the evaporator
temperature is connected
properly.
