Gree GJC09AF-E6RNB3A Service Manual page 28

Malfunction
No. Dual-8
Name
Code
Display
Normal
7
communication
High
temperature
8 E8
resistant
protection
EEPROM
9 EE
malfunction
Limit/
decrease
frequency
10 EU
due to high
temperature
of module
Malfunction
11 protection of C5
jumper cap
Gathering
12 Fo
refrigerant
26
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
0.5s)
Operation Cool Heat
Indicator Indicator Indicator
OFF 3S
and blink
8
times
OFF 3S
and blink
15 times
OFF 3S OFF 3S
and blink and blink
6 times 6 times
OFF 3S
and blink
15 times
OFF 3S
OFF 3S
and blink and blink
1 times
1 times
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
continously
OFF 1S
and blink
6 times
OFF 1S
and blink
11 times
A/C Status Possible Causes
During cooling
operation: Refer to the
compressor will stop malfunction analysis
while indoor fan (overload, high
will operate.During temperature
heating operation, the resistant).
complete unit stops.
During cooling and
drying operation,
compressor will stop
Replace outdoor
while indoor fan
control panel AP1
will operate;During
heating operation, the
complete unit will stop
Discharging after the
complete unit
is de-energized for
20mins, check
whether the thermal
All loads operate grease on
normally,while IPM Module of
operation frequency outdoor control
for compressor is panel AP1 is sufficient
decreased and whether
the radiator is
inserted tightly.
If its no use, please
replace control
panel AP1.
1. No jumper cap
insert on mainboard.
Wireless remote
2. Incorrect insert of
receiver and
jumper cap.
button are effective,
3. Jumper cap
but can not dispose
damaged.
the related command
4. Abnormal detecting
circuit of mainboard.
When the outdoor
unit receive signal of
Gathering refrigerant
Nominal cooling
,the system will be
mode
forced to run under
cooling mode for
gathering refrigerant
Installation and Maintenance
Service Manual