Photovoltaic Multi VRF
31
Error Code
Content
Error Code
Content
LA
For single control over multiple
units, IDU series is inconsistent
dH
PCB of wired controller is
abnormal
LH
Alarm due to bad air quality
dC
Abnormal setting for capacity
button
LC
IDU is not matching with
outdoor unit
dL
Malfunction of air outlet
temperature sensor
LL
Malfunction of water flow
switch
dE
Malfunction of indoor CO
2
sensor
LE
Rotation speed of EC DC water
pump is abnormal
dF
Malfunction of upper water
temperature sensor of water
tank
LF
Malfunction of shunt valve
setting
dJ
Malfunction of backwater
temperature sensor
LJ
Setting of functional DIP switch
code is wrong
dP
Malfunction of inlet tube
temperature sensor of
generator
LP
Zero-crossing malfunction of
PG motor
dU
Malfunction of drainage pipe
temperature sensor of
generator
LU
Indoor uni
t’s branch is not
inconsistent for one-to-more
unit of heat recovery system
db
Debugging status
Lb
Inconsistent IDU of
group-controlled reheat and
dehumidification system
dd
Malfunction of solar power
temperature sensor
y1
Malfunction of inlet tube
temperature sensor 2
dn
Malfunction of swing parts
y2
Malfunction of outlet tube
temperature sensor 2
dy
Malfunction of water
temperature sensor
y7
Malfunction of fresh air intake
temperature sensor
y8
Main error of indoor air box
sensor
yA
IFD malfunction
Outdoor:
Error Code
Content
Error Code
Content
F0
Main board of ODU is poor
E0
Malfunction of ODU (uniform)
F1
Malfunction of high-pressure sensor
E1
High-pressure protection
F3
Malfunction of low-pressure sensor
E2
Discharge low-temperature protection
F5
Malfunction of discharge
temperature sensor of compressor 1
E3
Low-pressure protection
F6
Malfunction of exit-tube temperature
sensor
E4
High discharge temperature
protection of compressor
F7
Malfunction of humidity sensor
Ed
Drive module low temperature
protection
F8
Malfunction of water temperature
sensor
J0
Protection for other modules
F9
Malfunction of jumper cap
J1
Over-current protection of
compressor 1
FA
Web address of IDU is abnormal
J2
Over-current protection of
compressor 2
FC
Current sensor of compressor 2 is
abnormal
J3
Over-current protection of
compressor 3
FL
Current sensor of compressor 3 is
abnormal
J4
Over-current protection of
compressor 4
FE
Current sensor of compressor 4 is
abnormal
J5
Over-current protection of
compressor 5
FF
Current sensor of compressor 5 is
abnormal
J6
Over-current protection for
compressor 6
FJ
Current sensor of compressor 6 is
abnormal
J7
Gas-mixing protection of 4-way valve
FP
Malfunction of DC motor
J8
High pressure ratio protection of
system
FU
Malfunction of casing top
temperature sensor of compressor 1
J9
Low pressure ratio protection of
system
Summary of Contents for GMV-Y120WL/A-T
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