Gree Livo GEN3 LIVV30HP230V1A Service & Parts Manual page 43

Display Method of Indoor Unit
Indicator Display (during
Malfunction
blinking, ON 0.5s and OFF
Dual-8
NO.
Name
0.5s)
Code
Display
Operation
Indicator
System is
34 H4
abnormal
IPM
35 H5
protection
PFC
36 HC
protection
Internal motor
OFF 3S
37 (fan motor) do H6 and blink
11 times
not operate
Desynchro-
38 nizing of H7
compressor
Malfunction
JF
39
of detecting
plate(WIFI )
Outdoor DC
OFF 3S
40 fan motor L3 and blink
23 times
malfunction
OFF 3S
power
41 L9 and blink
protection
20 times
Indoor unit
OFF 3S
and outdoor
42 LP and blink
unit doesn't
19 times
match
Failure start-
43 LC
up
A/C status
Cool Heating
Indicator Indicator
During cooling and drying
operation, compressor will stop
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
4 times
complete unit will stop
operation.
During cooling and drying
operation, compressor will stop
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
5 times
complete unit will stop
operation.
During cooling and drying
operation, compressor will
stopwhile indoor fan will
operate;During heating
operation, the complete unit
will stop operation.
Internal fan motor, external fan
motor, compressor and electric
heater stop operation,guide
louver stops at present
location.
During cooling and drying
operation, compressor will stop
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
7 times
complete unit will stop
operation.
Loads operate normally,
while the unit can't be
normally controlled by APP
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
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
11 times
complete unit will stop
operation.
Possible Causes
Refer to the malfunction analysis
(overload, high temperature
resistant)
Refer to the malfunction
analysis (IPM protection, loss
of synchronism protection and
overcurrent protection of phase
current for compressor.
Replace outdoor control panel
AP1 or Reactor
1. Bad contact of DC motor
feedback terminal.
2. Bad contact of DC motor
control end.
3. Fan motor is stalling.
4. Motor malfunction.
5. Malfunction of mainboard rev
detecting circuit.
Refer to the malfunction
analysis (IPM protection, loss
of synchronism protection and
overcurrent protection of phase
current for compressor.
1.Main board of indoor unit is
damaged;
2.Detection board is damaged;
3.The connection between indoor
unit and detection board is not
good;
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
40
Service Manual