Gree GMV-NX140P/A(X1.2)-K, Руководство пользователя

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Multi Variable Air Conditioners Fresh Air Series Indoor Unit
26
Error
Code
Content
Error
Code
Content
Error
Code
Content
L8
Power Insufficiency
Protection
d7 Humidity Sensor Error AJ
Filter Cleaning
Reminder
L9
Quantity Of Group
Control Indoor Units
Setting Error
d8 Water Temperature Error o1
Low bus bar voltage of
indoor unit
o2
High bus bar
voltage of indoor
unit
o3
IPM Module Protection of
Indoor Unit
o4
Failure Startup of Indoor
Unit
o5
Overcurrent
Protection of Indoor
Unit
o6
Current Detection Circuit
Malfunction of Indoor Unit
o7
Desynchronizing
Protection of Indoor Unit
o8
Communication
Malfunction of
Indoor Unit’s Drive
o9
Communication
Malfunction of Main Mater
of Indoor Unit
oA
High temperature of
Indoor Unit’s Module
ob
Malfunction of
Temperature
Sensor of Indoor
Unit’s Module
oC
Charging Circuit
Malfunction of Indoor Unit
o0 Other Drive Malfunction
db Special Code: Field Debugging Code
8 Troubleshooting
If your air conditioner is not working well, please check the following table first before asking for
service:
Phenomenon Troubleshooting
The unit can’t start
①
Power supply is not connected.
②
Circuit breaker tripping caused by leakage of electricity.
③
Input voltage is too low.
④
Operation button is off.
⑤
Error of control loop.
The unit stops after running for a
while
①
There is obstacle in front of condenser.
②
Error of control loop.
③
Perform cooling when outdoor ambient temperature is higher than 43
℃
.
Poor cooling effect
①
The filter is dirty or blocked.
②
Too heavy heat load of room(e.g. too many people).
③
Door or windows is open.
④
Air inlet and outlet of IDU are blocked.
⑤
Set temperature is too high or refrigerant leaks.
⑥
The performance of room temperature sensor gets worse.
Poor heating effect
①
The filter is dirty or blocked.
②
Door or window is open.
③
Set temperature is too low.
④
Refrigerant leaks.
⑤
Outdoor ambient temperature is lower than -5
℃
.
⑥
Error of control circuit.
Indoor fan doesn’t start
up during heating
①
Position of tube temperature sensor is improper.
②
Tube temperature sensor is not inserted well.
③
Wiring of tube temperature sensor breaks off.
④
Electrical leakage of capacitor.
NOTE!
If air conditioner still fails to work normally after checking and handling as described above, please
stop using it immediately and contact local service center for assistance.