Gree GJC09AF-E6RNB3A Service Manual page 34

Malfunction
No. Dual-8
Name
Code
Display
IPM
36 H5
protection
Module
37 temperature H5
is too high
Internal motor
38 (fan motor) do H6
not operate
Desynchronizing
39 H7
of compressor
PFC
40 HC
protection
32
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
5 times
OFF 3S
and blink
5 times
OFF 3S
and blink
11 times
OFF 3S
and blink
7 times
OFF 3S
and blink
6 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
4 times
OFF 1S
and blink
10 times
OFF 1S
and blink
14 times
Service Manual
A/C Status Possible Causes
Refer to the
During cooling and malfunction
drying operation, analysis (IPM
compressor will stop protection, loss
while indoor fan of synchronism
will operate;During protection and
heating operation, the overcurrent
complete unit will stop protection of phase
operation. current for
compressor.
1. Bad contact of
DC motor feedback
Internal fan motor, terminal.
external fan motor, 2. Bad contact of DC
compressor and motor control end.
electricheater stop 3. Fan motor is
operation,guide stalling.
louver stops at 4. Motor malfunction.
present location. 5. Malfunction of
mainboard rev
detecting circuit.
Refer to the
During cooling and malfunction
drying operation, analysis (IPM
compressor will stop protection, loss
while indoor fan of synchronism
will operate;During protection and
heating operation, the overcurrent
complete unit will stop protection of phase
operation. current for
compressor.
During cooling and
drying operation,
compressor will stop
while indoor fan Refer to the
will operate;During malfunction analysis
heating operation, the
complete unit will stop
operation.
Installation and Maintenance