Gree GJC09AF-E6RNB3A Service Manual page 33

Service Manual
Malfunction
No. Dual-8
Name
Code
Display
Module high
31 temperature P8
protection
Decrease
frequency
due to high
temperature
32 HO
resistant
during
heating
operation
Static
33 dedusting H2
protection
Overload
34 protection for H3
compressor
System is
35 H4
abnormal
Installation and Maintenance
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
19 times
OFF 3S
and blink
10 times
OFF 3S
and blink
twice
OFF 3S
and blink
3 times
OFF 3S
and blink
4 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
OFF 1S
and blink
8 times
OFF 1S
and blink
6 times
A/C Status Possible Causes
After the complete
unit is deenergized
for 20mins, check
whether the thermal
During cooling
grease on IPM
operation,compressor
Module of outdoor
will stop while indoor
control panel
fan will operate;
AP1 is sufficient and
During heating
whether the
operation, the
radiator is inserted
complete unit will stop
tightly. If its no
use, please replace
control panel
AP1.
All loads operate
Refer to the
normally,
malfunction analysis
while operation
(overload, high
frequency for
temperature
compressor is
resistant)
decreased
1. Wiring terminal
OVC-COMP
During cooling and
is loosened. In
drying operation,
normal state, the
compressor will stop
resistance for this
while indoor fan
terminal should
will operate;During
be less than 1ohm.
heating operation, the
2.Refer to the
complete unit will stop
malfunction analysis (
operation.
discharge protection,
overload)
During cooling and
drying operation,
Refer to the
compressor will stop
malfunction analysis
while indoor fan
(overload, high
will operate; During
temperature
heating operation, the
resistant)
complete unit will stop
operation
31