Malfunction List - Gree ULTRA heating GMV5 Multi VRF Series Service Manual

DEBUGGING & MAINTENANCE

1 Malfunction List

1.1 Error Code of Protection
Error Item
Indoor fan protection
Water overflow protection
Anti-freeze protection
Mode conflict
Indoor ambient temperature sensor error
Indoor coil inlet temperature sensor error
Indoor mid-coil temperature sensor error
Indoor coil outlet temperature sensor error
Indoor humidity sensor error
Jumper error
Outdoor ambient temperature sensor error
Outdoor heat-exchanger coil outlet
temperature sensor error
Vapor-liquid separator inlet temperature
sensor error
High pressure protection
Low pressure protection
Discharge protection
Refrigerant-lacking protection
Compressor power protection
Intermediate vapor injection temperature
sensor error
EEPROM read-write error
High pressure sensor error
Middle pressure sensor error
Low pressure sensor error
Discharge temperature sensor error
High pressure switch
AC over current
IPM over current protection
Indoor Unit
Code
Display
L1 L1
L3 L3
L5 L5
L6 -
d3 d3
d4 d4
d5 d5
d6 d6
d7 d7
d9 d9
b1 b1
b3 b3
b6 b6
E1 E1
E3 E3
E4 E4
Ed E0
EN E0
Fb E0
F0 F0
F1 F1
F2 E0
F3 F3
F6 F6
Fd E0
P5 P0
P6 E0
Ultra Heating GMV5 Multi VRF
for North America
Outdoor Unit
Display
L1
L3
L5
L6
d3
d4
d5
d6
d7
d9
b1
b3
b6
E1
E3
E4
Ed
EN
Fb
F0
F1
F2
F3
F6
Fd
P5
P6
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