Gree GMV-VQ680WM/C-X Service Manual page 95

Gree
Error
—
Code
U0 Preheat time of compressor is insufficient
U3 Power phase sequence protection
Wrong address for driving board of
U5
compressor
U8 Malfunction of pipeline for IDU
UC Setting of main IDU is succeeded
UE Charging of refrigerant is invalid
Ud Drive board of grid-connection is abnormal
Communication malfunction between IDU,
C0
ODU and IDU's wired controller
Communication malfunction between main
Debug C2
control and inverter compressor driver
ging
C4 Malfunction of lack of IDU
Alarm because ODU quantity is
C6
inconsistent
C8 Emergency status of compressor
CA Emergency status of module
CC No main unit
Communication malfunction between
CE
mode exchanger and IDU
Address DIP switch code of system is
CJ
shocking
Communication malfunction between IDU
CU
and the receiving lamp
Communication malfunction between
Cd
mode exchanger and ODU
Communication malfunction of mode
Cy
exchanger
A0 Unit waiting for debugging
A3 Defrosting
A6 Heat pump function setting
A8 Vacuum pump mode
AC Cooling
AE Charge refrigerant manually
AJ Cleaning reminding of filter
AU Long-distance emergency stop
Ad Limit operation
Ay Shielding status
Status
n3 Compulsory defrosting
Compulsory excursion of engineering code
n5
of IDU
n7 Inquiry of parameters
n9 Check quantity of IDU on line
nH Heating only unit
nE Negative code
nJ High temperature prevention when heating
nb Bar code inquiry
GMV6 HR DC Inverter VRF Units Service Manual
Content
93
Error
Code
Wrong setting of ODU's capacity
U2
code/jumper cap
U4 Refrigerant-lacking protection
U6 Alarm because valve is abnormal
U9 Malfunction of pipeline for ODU
Emergency operation DIP switch code of
UL
compressor is wrong
Identification malfunction of IDU of mode
UF
exchanger
Communication malfunction between the
Un drive board of grid-connection and the main
board
Communication malfunction between main
C1
control and DC-DC controller
Communication malfunction between main
C3
control and inverter fan driver
Alarm because project code of IDU is
C5
inconsistent
C7 Abnormal communication of converter
C9 Emergency status of fan
CH Rated capacity is too high
The matching ratio of rated capacity for IDU
CL
and ODU is too low
CF Malfunction of multiple main control units
CP Malfunction of multiple wired controller
Cb Overflow distribution of IP address
Malfunction of network for IDU and ODU of
Cn
mode exchanger
Refrigerant recovery operation of
A2
after-sales
A4 Oil-return
A7 Quiet mode setting
AH Heating
AL Charge refrigerant automatically
AF Fan
Debugging confirmation when starting up
AP
the unit
Ab Emergency stop of operation
An Child lock status
n0 SE operation setting of system
Limit setting for max. capacity/output
n4
capacity
n6 Inquiry of malfunction
n8 Inquiry of project code of IDU
nA Heat pump unit
nC Cooling only unit
nF Fan model
Eliminate the long-distance shielding
nU
command of IDU
Length modification of connection pipe of
nn
ODU
Content