109
Fault Displays
Models GWH18MC-D3DNA3D & GWH24MD-D3DNA3D
Malfunction
Name
Indoor Unit Displaying Method
Outdoor Unit Display (LED)
A/C Status
Malfunctions
Dual-8
Code
Display
Indicator Display (during
blinking, ON 0.5s and OFF
0.5s
Indicator has 3 kinds of display status and
during blinking, ON 0.5s and OFF 0.5s
Running
LED
Cooling
LED
Heat-
ing
LED
D40/D5
D41/D6
D42/D16 D43/D30
Outdoor
condenser
sensor open
circuit, short
circuit
F4
OFF
3s and
blink 4
times
o
o
¶
o
Cooling, dehu-
midifying, ex-
cept the indoor
fan motor is
running, others
will stop to run.
Heating; all
stop running.
Outdoor tem-
perature sensor
hasn't been
connected well
or is damaged.
Please check it
by referring to
the resistance
table for the
temperature
sensor.
Outdoor
air exhaust
sensor open
circuit, short
circuit
F5
OFF
3s and
blink 5
times
o
o
¶
o
During cooling
and drying
operating, com-
pressor stops
while indoor
fan operates;
During heating
operation, the
complete unit
will stop oper-
ation
Outdoor tem-
perature sensor
hasn't been
connected well
or is damaged.
Please check it
by referring to
the resistance
table for the
temperature
sensor.