123
Fault Displays
Models GWH30LB-D3DNA3E & GWH36LB-D3DNA3E
Malfunction
Name
Indoor Unit
Outdoor Unit
A/C Status
Possible Causes
Dual-8
Code
Display
Indicator Display (during blink-
ing, ON 0.5s and OFF 0.5s
Indicator has 3 kinds of display
status and during blinking, ON
0.5s and OFF 0.5s
Operation
Cool
Heating
Yellow
Red
Green
Outdoor DC
fan motor
malfunction
L3
Off 3S
and blink
23 times
Off 3S
and blink
14 times
Outdoor DC fan
motor mal-
function lead to
compressor stop
operation
DC fan motor
malfunction or
system blocked
or the connector
loosed
Power protec-
tion
L9
Off 3S
and blink
20 times
Off 3S
and blink
9 times
Compressor stop
operation and
Outdoor fan mo-
tor will stop 30s
later, 3 minutes
later fan motor
and compressor
will restart
To protect the
electronic compo-
nents when detect
high power
Indoor unit
and outdoor
unit doesn't
match
LP
Off 3S
and blink
19 times
Off 3S
and blink
16 times
Compressor and
Outdoor fan mo-
tor can't work
Indoor unit and
outdoor unit
doesn't match
Failure start-
up
LC
Off 3S
and blink
11 times
During cooling
and drying oper-
ation, compressor
will stop while
indoor fan will
operate. During
heating operation,
the complete unit
will stop opera-
tion.
Refer to the mal-
function analysis
Malfunction
of phase cur-
rent detection
circuit for
compressor
U1
Off 3S
and blink
13 times
During cooling
and drying oper-
ation, compressor
will stop while
indoor fan will
operate. During
heating operation,
the complete unit
will stop opera-
tion.
Replace outdoor
control panel AP1