Gree GMV6 Series User Manual

Gree GMV6 DC Inverter VRF Units Service Manual
74
— Error Code Content
Error
Code
Content
Debugging
U0 Preheat time of compressor is insufficient U2
Wrong setting of ODU’s capacity
code/jumper cap
U3
Power phase sequence protection
U4
Refrigerant-lacking protection
U5
Wrong address for driving board of
compressor
U6 Alarm because valve is abnormal
U8
Malfunction of pipeline for IDU
U9
Malfunction of pipeline for ODU
UC Setting of main IDU is succeeded UL
Emergency operation DIP switch code of
compressor is wrong
UE Charging of refrigerant is invalid UF
Identification malfunction of IDU of mode
exchanger
Ud Drive board of grid-connection is abnormal Un
Communication malfunction between the
drive board of grid-connection and the
main board
Uy PV module over-temperature protection C0
Communication malfunction between IDU,
ODU and IDU’s wired controller
C1
Communication malfunction between main
control and DC-DC 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
C6
Alarm because ODU quantity is
inconsistent
C7
Abnormal communication of converter
C8
Emergency status of compressor
C9
Emergency status of fan
CA
Emergency status of module
CH
Rated capacity is too high
CC
No main unit
CL
The matching ratio of rated capacity for
IDU and ODU is too low
CE
Communication malfunction between mode
exchanger and IDU
CF Malfunction of multiple main control units CJ
Address DIP switch code of system is
shocking
CP Malfunction of multiple wired controller CU
Communication malfunction between IDU
and the receiving lamp
Cb Overflow distribution of IP address Cd
Communication malfunction between mode
exchanger and ODU
Cn
Malfunction of network for IDU and ODU
of mode exchanger
Cy
Communication malfunction of mode
exchanger
Status
A0 Unit waiting for debugging A2
Refrigerant recovery operation of after-
sales
A3
Defrosting
A4
Oil-return
A6
Heat pump function setting
A7
Quiet mode setting
A8
Vacuum pump mode
A9
Set Back function
AH
Heating
AC
Cooling
AL
Charge refrigerant automatically
AE
Charge refrigerant manually
AF
Fan
AJ
Cleaning reminding of filter
AP
Debugging confirmation when starting up
the unit
AU Long-distance emergency stop
Ab
Emergency stop of operation
Ad
Limit operation
An
Child lock status
Ay
Shielding status
n0
SE operation setting of system
n1
Defrosting cycle K1 setting
n3 Compulsory defrosting n4
Limit setting for max. capacity/output
capacity
n5
Compulsory excursion of engineering
code of IDU
n6 Inquiry of malfunction
n7
Inquiry of parameters
n8
Inquiry of project code of IDU
n9
Check quantity of IDU on line
nA
Heat pump unit
nH
Heating only unit
nC
Cooling only unit
nE
Negative code
nF
Fan model
nJ
High temperature prevention when heating
nU
Eliminate the long-distance shielding
command of IDU
nb Bar code inquiry nn
Length modification of connection pipe of
ODU
qA
Heat recovery status
qH
Mainly heating
qC
Mainly cooling
qP
Export region setting for PV VRF units
qU
Grid voltage configuration
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Gree GMV6 Series Specifications

General

Brand	Gree
Model	GMV6 Series
Category	Inverter
Language	English