Gree GMV-335WL/C1-X

DC Inverter Multi VRF System
30
Error Code
Content
Error Code
Content
H1
Driving board of fan operates abnormally
(uniform)
H2
Voltage protection of driving board power of
fan (uniform)
H3
Reset protection of driving module of fan
H4
Drive PFC protection of fan
H5
Over-current protection of inverter fan
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Debugging:
Error Code
Content
Error Code
Content
U0 Preheat time of compressor is insufficient U2
Wrong setting of ODU’s capacity
code/jumper cap
U4 Refrigerant-lacking protection U5
Wrong address for driving board of
compressor
U6
Alarm because valve is abnormal
U8
Short-circuit malfunction of IDU
U9
Malfunction of pipe-line for ODU
UC
Setting of main IDU is successful
UL
Wrong button-dial
UE
Charging of refrigerant is invalid
C0
Communication malfunction between
IDU, ODU and IDU’s wired controller
C2
Communication malfunction between main
control and inverter compressor driver
C3
Communication malfunction between
main control and inverter fan driver
C4 Malfunction of lack of IDU
C5
Alarm because project code of IDU is
inconsistent
C8 Emergency status of compressor
C9
Emergency status of fan
CH
Rated capacity is too high
CC
Malfunction of lack of main control unit
CL
Rated capacity is too low
CF
Malfunction of multiple main control units
CJ
Malfunction of multiple main wired controllers
CP
Malfunction of multiple main wired
controllers
CU
Communication malfunction between IDU
and the receiving lamp plate
Cb
Overflow distribution of IP address
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Status:
Error Code
Content
Error Code
Content
A0
Unit waiting for debugging
A1
Inquiry of compressor operation parameters
A2
Refrigerant recovery operation of
after-sales
A3 Defrosting
A4
Oil-return
A5
Online test
A6
Heat pump function setting
A7
Quiet mode setting
A8
Vacuum pump mode
A9
IPLV test
AA
EU AA level EER test mode
AH
Heating
AC
Cooling
AL
Charging refrigerant automatically
AE
Charging refrigerant manually
AF
Fan
AJ
Alarm for cleaning filter
AP
Debugging confirmation for startup of unit
AU
Long-distance emergency stop
Ab
Emergency stop of operation
Ad
Limit operation
n0
SE operation setting of system
n1 Setting of defrosting cycle K1 n2
Setting of upper limit of IDU/ODU capacity
distribution ratio
n4
Limit setting for max. capacity/output
capacity
n6 Inquiry of project code of IDU
n7
Inquiry of malfunction
n8
Inquiry of parameters
nA
Heat pump unit
nH
Heating only unit
nC
Cooling only unit
nE
Negative sign code
nF
Fan model
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8 Maintenance and Care
Regular check, maintenance and care can extend unit’s service life. Please have specialized
person in charge of the management of air conditioners.