Gree GWH12MB-K3DNE3G Service Manual page 40

Service Manual
Display Method of Indoor Unit
Dual-8
Malfunction
NO.
Code
Name
Display
Normal
53 communica-
tion
54 Defrosting
Installation and Maintenance
Display Method of Outdoor Unit
Indicator Display (during Indicator has 3 kinds of display
blinking, ON 0.5s and OFF status and during blinking, ON
0.5s) 0.5s and OFF 0.5s
Operation Cool Heating
Indicator Indicator Indicator Indicator
OFF 3S
and blink
once
(during
OFF 1S
blinking,
and blink
ON 10s
and OFF
0.5s)
Yellow Red Green
Indicator Indicator
OFF 0.5S
and blink
once
Defrosting will occur in
heating
mode. Compressor will
operate
while indoor fan will stop
twice
operation.
A/C status Possible Causes
Its the normal state
37