115
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
Communica-
tion Malfunc-
tion
E6
Off 3S
and blink
6 times
OFF
During cooling
operation, com-
pressor stops while
indoor fan motor
operates. During
heating operation,
the complete unit
stops.
Refer to the mal-
function analysis
High tem-
perature
resistant
protection
H4
Off 3S
and blink
11 times
Off 3S
and blink
4 times
Off 3S
and blink
6 times
During cooling
operation, com-
pressor stops while
indoor fan motor
operates. During
heating operation,
the complete unit
stops.
Refer to the mal-
function analysis
EEPROM
malfunction
EE
Off 3S
and blink
15 times
Off 3S
and blink
15 times
Off 3S
and blink
11 times
During cooling
operation, com-
pressor stops while
indoor fan motor
operates. During
heating operation,
the complete unit
stops.
Replace outdoor
control panel AP1
Limit/
decrease
frequency
due to high
temperature
of module
EU
Off 3S
and blink
6 times
Off 3S
and blink
6 times
All load operate
normally, while
operation frequen-
cy for compressor
is decreased
Discharging after
the complete unit
is de-energized
for 20 mins check
on whether the
thermal grease on
IPM Module of
outdoor control
panel AP1 is suffi-
cient and whether
the radiator is
inserted tightly. If
its no use, please
replace control
panel AP1.