Blinking Led Of Indoor/Outdoor Unit - Gree GWH18AC-D3DNA1B Service Manual

9.2.2 Blinking LED of Indoor/Outdoor Unit

140
Name of malfunction
Refrigerant system high pressure protection
Anti-freezing protection
Compressor exhaust high temperature protection
AC over-current protection
Communication failure between indoor unit and outdoor unit
Anti-high temperature protection
No feedback of indoor fan motor
Jumper cap malfunction protection
Indoor ambient sensor open or short circuit
Indoor tube sensor open or short circuit
Outdoor ambient sensor open or short circuit
Outdoor tube sensor open or short circuit
Exhaust sensor open or short circuit
Over load limit / drop frequency
Over current limit / drop frequency
High exhaust temperature limit / drop frequency
Over voltage protection for PN
AC current detect circuit malfunction
Compressor reverse protection
Over compressor phase current protection
Inlet tube sensor malfunction
Outdoor DC fan motor malfunction
Outlet tube sensor malfunction
Door malfunction
Compressor overload sensor malfunction
Defrosting
Static clearing dust protection
Compressor over load protection
System abnormal protection
IPM protection
PFC protection
Compressor loss step protection
Heating anti-high temperature drop frequency
Startup failure
Compressor protection against loss of phase
Compressor phase current detection circuit malfunction
Compressor demagnetization protection
Loading EEPROM malfunction
Communication failure between main board and driver board
Capacitor charge malfunction
IPM sensor circuit malfunction
IPM high temperature protection
PN voltage drop protection
Low PN voltage protection
Current detect circuit malfunction or Current sensor malfunction
Compressor loss of phase protection
Compressor locked rotary protection
IPM over temperature limit / drop frequency
4-way valve reversal abnormal
Disconnection of the exhaust temperature sensor
AC power zero voltage detect error
Over tube temperature drop frequency
Anti-freezing limit / drop frequency
Display of double
eight code Running lamp
E1 blink 1 time
E2 blink 2 times
E4 blink 4 times
E5 blink 5 times
E6 blink 6 times
E8 blink 8 times
H6 blink 11 times
C5 blink 15 times
F1
F2
F3
F4
F5
F6
F8
F9
PH
U5
U4
P5
b5
L3
b7
FC
FE
H1
H2
H3
H4
H5
HC
H7
H0
Lc
U2
U1
HE
EE
P6
PU
P7
P8
U3
PL
Pc
Ld
LE
EU
U7
U8
U9
FA
FH
125
45
Display of lamp
Cooling lamp Heating lamp
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 8 times
blink 9 times
blink 11 times
blink 13 times
blink 14 times
blink 15 times
blink 19 times
blink 21 times
blink 22 times
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 7 times
blink 10 times
blink 11 times
blink 12 times
blink 13 times
blink 14 times
blink 15 times
blink 16 times
blink 17 times
blink 18 times
blink 19 times
blink 20 times
blink 21 times