GMV DC Inverter VRF
63
7 Troubleshooting
7.1 Common Malfunction and Troubleshooting
WARNING:
①
If an abnormal situation (such as peculiar smell) occurs, please stop the operation
immediately and turn off the main power supply, and then contact Gree authorized
maintenance center. If the unit continues to operate under abnormal situation, the air
conditioner will be damaged and an electric shock or fire accident may result.
②
Do not maintain the air conditioner by yourself, misoperation may cause electric shock or fire
hazard. Please contact professional personnel of Gree authorized maintenance center to
maintain.
● Before asking for maintenance, please check the following issues first.
Unit doesn’t work.
Fuse or circuit breaker is cut off.
Replace fuse or reset the circuit
breaker.
Power failure.
Restart unit when power is
restored.
Power supply is not connected Connect the power.
Remote controller’s power is not enough. Replace new battery.
Remote controller is out of the control range. Control range is within 8m.
Unit runs but stops
immediately.
Air inlet or air outlet of indoor and outdoor units is
blocked.
Clear obstructions.
Abnormal cooling or
heating.
Air inlet or air outlet of indoor and outdoor units is
blocked.
Clear obstructions.
Improper temp setting.
Adjust setting at remote
controller or wired controller.
Fan speed is set too low.
Adjust setting at remote
controller or wired controller.
Wind direction is not correct.
Adjust setting at remote
controller or wired controller.
Door or window is open. Close the door or window.
Direct sunshine. Draw curtain or louver.
Too many people in the room. —
Too many heat resources in the room. Reduce heat resources.
Filter is blocked and dirty. Clean the filter.
NOTE:
If problem cannot be solved after checking the above items, please contact Gree service center
and describe the cases and models.
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