Gree Livo GEN3 LIVV30HP230V1A Service & Parts Manual page 42

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
Compressor
intermediate
26 P3
frequence in
test state
Overcurrent
protection of
27 phase P5
current for
compressor
Charging
malfunction
28 PU
of capacitor
Malfunction
of module
29 P7
temperature
sensor circuit
Module high
30 temperature P8
protection
Decrease
frequency
due to high
temperature
31 H0
resistant
during
heating
operation
Static
32 dedusting H2
protection
Overload
33 protection for H3
compressor
A/C status
Cool Heating
Indicator Indicator
(during (during
blinking, blinking,
ON ON
0.25s 0.25s
and OFF and OFF
0.25s) 0.25s)
During cooling and drying
operation, compressor will stop
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
15 times
complete unit will stop
operation.
During cooling and drying
OFF 3S
operation, compressor will stop
and blink
while indoor fan will operate;
17 times
During heating operation, the
complete unit will stop
During cooling and drying
OFF 3S operation, compressor will stop
and blink while indoor fan will operate;
18 times During heating operation, the
complete unit will stop
During cooling operation,
OFF 3S
compressor will stop while
and blink indoor fan will operate;
During heating operation, the
19 times
complete unit will stop
All loads operate normally,
OFF 3S
while
and blink
operation frequency for
10 times
compressor is decreased
OFF 3S
and blink
twice
During cooling and drying
operation, compressor will stop
OFF 3S
while indoor fan will operate;
and blink
During heating operation, the
3 times
complete unit will stop
operation.
39
Possible Causes
Showing during middle cooling or
middle heating test
Refer to the malfunction
analysis (IPM protection, loss
of synchronism protection and
overcurrent protection of phase
current for compressor.
Refer to the part three—charging
malfunction analysis of capacitor
Replace outdoor control panel AP1
After the complete unit is de-
energized for 20mins, check
whether the thermal grease on IPM
Module of outdoor control panel
radiator is inserted tightly. If its no
use, please replace control panel
AP1.
Refer to the malfunction analysis
(overload, high temperature
resistant)
1. Wiring terminal OVC-COMP
is loosened. In normal state, the
resistance for this terminal should
be less than 1ohm.
2.Refer to the malfunction analysis (
discharge protection, overload)