Gree GWC30LB-D3DNA3G Service Manual page 43

Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
Dual-8
Malfunction
NO.
0.5s)
Code
Name
Operation
Display
Indicator
Normal
53 communica-
tion
54 Defrosting
40
Display Method of Outdoor Unit
Indicator has 3 kinds of display
status and during blinking, ON
0.5s and OFF 0.5s
Cool Heating Yellow
Indicator Indicator Indicator Indicator
OFF 3S
and blink
once
(during
OFF 1S
blinking,
and blink
ON 10s
twice
and OFF
0.5s)
A/C status
Red Green
Indicator
OFF 0.5S
and blink
once
Defrosting will occur in
heating
mode. Compressor will
operate
while indoor fan will stop
operation.
Service Manual
Possible Causes
Its the normal state
Installation and Maintenance