32
■
TROUBLESHOOTING
TROUBLES
POSSIBLE CAUSES
SUGGESTED REMEDIES
The unit does not start when the
on/off button is pressed.
1. The power supply is not connected
well.
2. The power plug is not inserted tightly.
3. There is the malfunction of power plug
or socket.
4. The fuse is broken.
1. Connect the power supply well.
2. Insert the power plug tightly.
3. Replace the power plug or socket.
4. Ask for the maintenance man to
replace the fuse.
The cooling is not enough.
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.
Although it was set the DRY
mode, there is no cool wind.
1. The evaporator frosts.
1. Unit is running in defrosting
operation, it will resume running in
original operation after defrosting.
The LED displays "
E
".
1. Low voltage over current protection.
Cut off power supply, after 10
minutes, turn on the unit, if "
E5
" still
be displays, please inform the
maintenance man to maintain.
The LED displays"
H8
".
The water tank gets full.
1. Pour out water in the tank
2. f the malfunction still exists, please
inform the maintenance man to
maintain.
The LED displays "
F1
".
Malfunction of evaporator temperature
sensor.
Check if indoor room temperature
sensor is connected properly
The LED displays "
F2
".
Malfunction of evaporator temperature
sensor
Check if the evaporator temperature
is connected properly.
The LED displays "
F4
".
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.
Содержание N-P35A2
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