Gree GMVVQ224WM/C-X - Page 74

GMV Heat Recovery DC Inverter VRF
70
—
Error
Code
Content
Error
Code
Content
Indoor
LU
Indoor unit’s branch is not
inconsistent for one-to-more unit of
heat recovery system
Lb
For single control over multiple
units, IDU is inconsistent
(reheating-dehumidifying system)
d1 Indoor PCB is poor d2
Malfunction of lower water
temperature sensor of water tank
d3
Malfunction of ambient temperature
sensor
d4
Malfunction of entry-tube
temperature sensor
d5
Malfunction of mid-tube temperature
sensor
d6
Malfunction of exit-tube
temperature sensor
d7 Malfunction of humidity sensor d8
Malfunction of water temperature
sensor
d9 Malfunction of jumper cap dA Web address of IDU is abnormal
dH PCB of wired controller is abnormal dC
Setting capacity of DIP switch code
is abnormal
dL
Malfunction of air outlet temperature
sensor
dE Malfunction of indoor CO
2
sensor
dF
Malfunction of upper water
temperature sensor of water tank
dJ
Malfunction of backwater
temperature sensor
dP
Malfunction of inlet tube temperature
sensor of generator
dU
Malfunction of drainage pipe
temperature sensor of generator
db Debugging status dd
Malfunction of solar power
temperature sensor
dn Malfunction of swing parts dy
Malfunction of water temperature
sensor
y1
Malfunction of entry-tube
temperature sensor 2
y2
Malfunction of exit-tube
temperature sensor 2
y7
Malfunction of fresh air inlet
temperature sensor
y8 Malfunction of IDU’s air box sensor
yA Malfunction of IFD o1
Low-voltage protection of IDU’s bus
bar
o2
High-voltage protection of IDU’s bus
bar
o3 IPM module protection of IDU
o4 Failure startup of IDU o5 Over-current protection of IDU
o6
Malfunction of current detection
circuit of IDU
o7 Desynchronizing protection of IDU
o8
Communication malfunction of IDU’s
driver
o9
Communication malfunction of
IDU’s main control
oA
Drive IPM high temperature
protection of IDU
ob
Malfunction of drive temperature
sensor of IDU
oC
Malfunction of charging loop of IDU
o0
Other malfunction of drive
Outdoor
E0
Malfunction of ODU
E1
High-pressure protection
E2
Discharge low-temperature
protection
E3 Low-pressure protection
E4
High discharge temperature
protection of compressor
Ed
Drive IPM low temperature
protection
F0 Main board of ODU is poor F1 Malfunction of high-pressure sensor
F3 Malfunction of low-pressure sensor F5
Malfunction of discharge
temperature sensor of compressor
1
F6
Malfunction of discharge
temperature sensor of compressor 2
F7
Malfunction of discharge
temperature sensor of compressor
3
F8
Malfunction of discharge
temperature sensor of compressor 4
F9
Malfunction of discharge
temperature sensor of compressor
5
FA
Malfunction of discharge
temperature sensor of compressor 6
FC
Current sensor of compressor 2 is
abnormal
FL
Current sensor of compressor 3 is
abnormal
FE
Current sensor of compressor 4 is
abnormal