Gree GMV-PD140W/NAB-K

Instruction of the GMV D.C. Inverter
21
● New dry the air lter of the indoor unit above re otherwise the lter may burst into ame or deform.
9.1 Inspection at the Beginning of Operational Season
Check the air inlet and outlet of the indoor and outdoor units to conrm there is no blockage.
Check the grounding wire to conrm the grounding is reliable.
Check the batteries of the remote controller to see if they shall be replaced.
Check the outdoor unit to see if the installation of it is steady. Contact the service center designated by
Gree if there is any abnormal condition.
If the air-conditioning unit shall operate again after a long-term shutoff, set the status of the main
power supply switch as “ON” eight hours before the start of operation so as to ensure the smooth startup of the
air-conditioning unit.
9.2 Maintenance at the End of the Operational Season
Clean the lter and the housing of the outdoor unit.
Shut off the main power supply of the air-conditioning unit.
Remove the dust and foreign articles from the outdoor unit.
Trouble Cause Remedial Measures
Unit does not run at
all
Fuse has blown or breaker is OFF
Replace the damaged fuse or close the
breaker
Power cut
Restart the unit after power supply resumes
and the unit shall operate
Power supply is not connected Connect to power supply
Batteries of remote controller are weak Replace with new batteries
The control distance is too far for the
remote controller
The distance shall be within 8m
Unit operates for a
while and then stops
immediately
Air inlet or air outlet of indoor unit or
outdoor unit is blocked
Remove the obstacles
Abnormal cooling or
heating
Air inlet or air outlet of indoor unit or
outdoor unit is blocked
Remove the obstacles
Temperature setting is improper
Adjust the setting of remote controller or
wire controller
Air speed is set too low
Adjust the setting of remote controller or
wire controller
Air supply direction is wrong
Adjust the setting of remote controller or
wire controller
Door or window is open Close door or window
Under direct sunshine Hang curtain or blinders before the window
Too many people inside the room
Too many heat sources indoors Reduce heat sources
Filter is dirt or blocked. Clean the lter