Gree GWH12UB-K3DNA4F Service Manual page 58

Service Manual
Malfunction Dual-8
NO.
Code
Name
Display
Normal
53 communica-
tion
54 Defrosting
Installation and Maintenance
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
0.5s)
Operation Cool Heating
Indicator Indicator Indicator
OFF 3S
and blink
once
(during
blinking,
ON 10s
and OFF
0.5s)
Display Method of Outdoor Unit
Indicator has 3 kinds of display
status and during blinking, ON
0.5s and OFF 0.5s
Yellow Red Green
Indicator Indicator Indicator
OFF 0.5S
and blink
once
OFF 1S
and blink
twice
A/C status
Defrosting will occur in
heating
mode. Compressor will
Its the normal state
operate
while indoor fan will stop
operation.
Possible Causes
55