Gree GMV-Y120WM/C-F, Owner'S Manual

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Photovoltaic Direct-driven Inverter VRF
71
Error Code Content Error Code Content
U6 Alarm because valve is abnormal CA Emergency status of module
U8 Malfunction of pipeline for IDU CH Rated capacity is too high
U9 Malfunction of pipeline for ODU CC No main unit
UC Setting of main IDU is succeeded CL
The matching ratio of rated capacity
for IDU and ODU is too low
UL
Emergency operation DIP switch
code of compressor is wrong
CE
Communication malfunction
between mode exchanger and IDU
UE Charging of refrigerant is invalid CF
Malfunction of multiple main control
units
UF
Identification malfunction of IDU of
mode exchanger
CJ
Address DIP switch code of system
is shocking
Ud
Drive board of grid-connection is
abnormal
CP
Malfunction of multiple wired
controller
Un
Communication malfunction between
the drive board of grid-connection
and the main board
CU
Communication malfunction
between IDU and the receiving lamp
C0
Communication malfunction between
IDU, ODU and IDU’s wired controller
Cb Overflow distribution of IP address
C1
Communication malfunction between
main control and DC-DC controller
Cd
Communication malfunction
between mode exchanger and ODU
C2
Communication malfunction between
main control and inverter compressor
driver
Cn
Malfunction of network for IDU and
ODU of mode exchanger
C3
Communication malfunction between
main control and inverter fan driver
Cy
Communication malfunction of mode
exchanger
C4 Malfunction of lack of IDU
Status:
Error Code Content Error Code Content
A0 Unit waiting for debugging Ay Shielding status
A2
Refrigerant recovery operation of
after-sales
n0 SE operation setting of system
A3 Defrosting n3 Compulsory defrosting
A4 Oil-return n4
Limit setting for max. capacity/output
capacity
A6 Heat pump function setting n5
Compulsory excursion of
engineering code of IDU
A7 Quiet mode setting n6 Inquiry of malfunction
A8 Vacuum pump mode n7 Inquiry of parameters
AH Heating n8 Inquiry of project code of IDU
AC Cooling n9 Check quantity of IDU on line
AL Charge refrigerant automatically nA Heat pump unit
AE Charge refrigerant manually nH Heating only unit
AF Fan nC Cooling only unit
AJ Cleaning reminding of filter nE Negative code
AP
Debugging confirmation when
starting up the unit
nF Fan model
AU Long-distance emergency stop nJ
High temperature prevention when
heating
Ab Emergency stop of operation nU
Eliminate the long-distance shielding
command of IDU
Ad Limit operation nb Bar code inquiry
An Child lock status nn
Length modification of connection
pipe of ODU