If malfunction occur, please check the following before maintenance:
MALFUNCTION ANALYSIS
-18-
Troubles
The air conditioner doesn't
start.
Although it was set to COOL
mode, there is no cool wind.
Although it was set the DRY
mode, there is no cool wind.
The LED displays" ".
The LED displays" ".
Possible Causes
The water tank gets full.
Solutions
Cut off power supply, after 10
minutes,turn on the unit,if " "
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.
1. The room temp. is lower than
the set temp.
2. The evaporator frosts.
1. This is the normal phenomenon.
2. Unit is running in defrosting operation,
it will resume running in original
operation after defrosting.
1. The evaporator frosts.
1. Unit is running in defrosting operation,
it will resume running in original
operation after defrosting.
1.Low voltage over current
protection.
still be displays, please inform the
maintenance man to maintain.
1. Pour out water in the tank
2. If the malfunction still exists,
please inform the maintenance
man to maintain.
The LED displays" ".
Check if indoor room temperature
sensor is connected properly
Malfunction of Ambient tem-
perature sensor.
The LED displays" ".
Check if the evaporator temperature
is connected properly.
Malfunction of evaporator tem-
perature sensor.
