Gree GMV-450WM/B-X - Page 129

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
126
F
Outdoor unit main board fault
High pressure sensor fault
Low pressure sensor fault
Compressor 1 exhaust temperature sensor fault
Compressor 2 exhaust temperature sensor fault
Compressor 3 exhaust temperature sensor fault
Compressor 4 exhaust temperature sensor fault
Compressor 5 exhaust temperature sensor fault
Compressor 6 exhaust temperature sensor fault
Compressor 1 current sensor fault
Compressor 2 current sensor fault
Compressor 3 current sensor fault
Compressor 4 current sensor fault
Compressor 5 current sensor fault
Compressor 6 current sensor fault
Compressor 1 cover temperature sensor fault
Compressor 2 cover temperature sensor fault
GREE VRF Display Code (3)
Content
symbol
0
1
2
3
4
5
6
7
8
9
A
H
C
L
E
F
J
P
U
b
d
n
y
Distinctiv
e symbol
Outd
oor
J
Other module protection
Over-current protection for compressor 1
Over-current protection for compressor 2
Over-current protection for compressor 3
Over-current protection for compressor 4
Over-current protection for compressor 5
Over-current protection for compressor 6
Four-way valve leakage protection
High system pressure ratio protection
Low system pressure ratio protection
Exceptional pressure protection
Water flow switch protection
Low high pressure protection
b
Outdoor ambient temperature sensor fault
Defrosting temperature sensor 1 fault
Defrosting temperature sensor 2 fault
Subcooler outflow temperature sensor fault
Subcooler exhaust temperature sensor fault
Air intake temperature sensor 1 fault
Air intake temperature sensor 2 fault
Outdoor humidity sensor fault
Heat exchanger exhaust temperature sensor fault
Oil return temperature sensor fault
System clock exception
Cover temperature sensor falling protection for compressor 1
Cover temperature sensor falling protection for compressor 2
GREE VRF Display Code (4)
Content
symbol
0
1
2
3
4
5
6
7
8
9
A
H
C
L
E
F
J
P
U
b
d
n
y
Distinctiv
e symbol