Gree GJC09AF-E6RNB3A Service Manual page 36

Malfunction
No. Dual-8
Name
Code
Display
The four-way
48 valve is U7
abnormal
Zerocrossing
49 malfunction of U9
outdoor unit
Frequency
50 limiting
(power)
Compressor
51
is opencircuited
The
temperature
52 for turning
on the unit is
reached
Frequency
limiting
53
(module
temperature)
54 Defrosting
34
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
20 times
OFF 3S
and blink
18 times
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 1S
and blink
13 times
OFF 1S
and blink
once
OFF 1S
and blink
8 times
OFF 1S
and blink
11 times
OFF 1S
and blink
twice
Service Manual
A/C Status Possible Causes
1.Supply voltage
is lower than
AC175V;
If this malfunction occurs
2.Wiring terminal
during heating operation,
4V is loosened or
the complete
broken;
unit will stop operation.
3.4V is damaged,
please replace
4V.
During cooling
operation,compressor
will stop while indoor Replace outdoor
fan will operate; during control panel AP1
heating,the complete
unit will stop operation.
Defrosting will occur in
heating mode.
Its the normal
Compressor will
state
operate while indoor fan
will stopoperation.
Installation and Maintenance