Gree GJC09AF-E6RNB3A Service Manual page 35

Service Manual
Malfunction
No. Dual-8
Name
Code
Display
Outdoor DC
41 fan motor L3
malfunction
power
42 L9
protection
Indoor unit
and outdoor
43 LP
unit doesn't
match
44 Failure startup LC
Malfunction of
phase current
45 detection U1
circuit for
compressor
Malfunction of
voltage
46 U3
dropping for
DC bus-bar
Malfunction
of complete
47 U5
units current
detection
Installation and Maintenance
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF 0.5s)
Operation Cool
Indicator Indicator Indicator
OFF 3S
and blink
23 times
OFF 3S
and blink
20 times
OFF 3S
and blink
19 times
OFF 3S
and blink
11 times
OFF 3S
and blink
13 times
OFF 3S
and blink
20 times
OFF 3S
and blink
13 times
Display Method of Outdoor
Unit
Indicator has 3 kinds of
display status and during
blinking, ON 0.5s and OFF
0.5s
Heat Yellow Red
Indicator Indicator
OFF 1S
and
blink
14 times
OFF 1S
and blink
9 times
OFF 1S
and blink
16 times
A/C Status
Green
Indicator
Outdoor DC fan motor
malfunction lead to
compressor stop
operation,
compressor stop
operation and Outdoor
fan motor will stop
30s latter , 3 minutes
latter fan motor and
compressor will restart
compressor and Outdoor
fan motor can't work
During cooling and
drying operation,
compressor will stop
while indoor fan will
operate; During heating
operation, the complete
unit will stop operation.
During cooling and
drying operation,
compressor will stop
while indoor fan will
operate;During heating
operation, the
complete unit will stop
During cooling and
drying operation,
compressor will stop
while indoor fan will
operate;During heating
operation, the
complete unit will stop
During cooling and
drying operation, the
compressor will
stop while indoor fan
willoperate;During
heating operating,
thecomplete unit will
stop operation.
Possible Causes
DC fan motor
malfunction or
system blocked or
the connector
loosed
To protect the
electronical
components when
detect high
power
Indoor unit and
outdoor unit
doesn't
match
Refer to the
malfunction
analysis
Replace outdoor
control panel AP1
Supply voltage is
unstable
Theres circuit
malfunction on
outdoor units
control panel AP1,
please replace the
outdoor units
control panel AP1.
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