GM V5 Compact Series VRF Outdoor Unit
27
6 Common Malfunction and Troubleshooting
WARNING!
1.
In the event of abnormal conditions (like, stinky smell), please shut off the main power supply immediately
and then contact the GREE appointed service center; otherwise the continuous abnormal running would
damage the air conditioning unit and also would cause electric shock or fire hazard etc.
2.
Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the
Gree appointed service center, as the incorrect repair would cause electric shock or fire hazard etc.
6.1 Check before Contacting Service Center
Conditions
Causes
Corrective Actions
The unit does not run
Broken fuse or opened breaker.
Change the fuse or close the breaker.
Power off.
Restart the unit when power on.
Power supply plug is loose.
Plug the power supply properly.
Insufficient energy of remote controller.
Change new battery.
Remote controller out of the control scope.
Keep the control distance within 8
meters
The unit stops soon after it
starts
Clogged air intake/outlet of indoor/outdoor
unit.
Clear the obstacle.
Abnormal cooling or
heating
Clogged air intake/outlet of indoor/outdoor
unit.
Clear the obstacle.
Improper temperature setting.
Adjust the setting of wireless remote
controller or wired controller.
Too low set of fan speed.
Adjust the setting of wireless remote
controller or wired controller.
Incorrect airflow direction
Adjust setting at wireless remote
controller or wired controller
Opened door or window.
Close the door or window.
Direct sunlight.
Hang a curtain or blinds over the
window.
Too much people in the room.
Too much heat sources in the room.
Reduce heat sources.
Dirty filter screen.
Clean the filter screen.