Gree GMV-Pdhm280W/Na-M

79
Inconsistency of Dial-up quantity
with communication quantity
○  ●  ○ ○
E6 displayed on
indoor unit under
adaptor board failing
to communicate with
the master board
Communication error between
master board of outdoor unit and
adaptor board
○  ●   ●
E6
Communication error between
outdoor board and fan speed
regulation board
○  ●   ○
E5
Legend: bright ○; dark ●;blink
5. State display
Display of LED
Trouble name
LED6 LED5 LED4 LED3 LED2 LED1
Display of
wired remote
controller
Other modules are at fault, and
failure-free modules display
○  ●  ○ ●
No display
Forcible cooling ●  ● ● ● ●
TEST
Forcible heating  ● ● ● ● ●
TEST
Forcible stop   ● ● ● ●
TEST
Defrost ○  ●   
MELT
Oil return ○    ○ 
When heating,
MELT
No display when
cooling
Oil equilibrium ○     ○
No display
Vacuum mode ● ●    
No display
IPLV test mode ○ ○ ● ● ○ ○
No display
Online test mode ○ ○ ● ● ○ ●
No display
When current module is the
master module
○ X ● ● ● ○
No display
Legend: bright ○; dark ●;blink
z Aftersales Service
☆ In case the air-conditioning unit has any quality problem or you have any inquiry, please contact the
local aftersales service agency.