Gree GMVVQ224WM/C-X Owner's Manual page 77

GMV Heat Recovery DC Inverter VRF
Error
—
Code
C1
C3
C5
C7
C9
Debugging
CH
CL
CF
CP
Cb
Cn
A0
A3
A6
A8
AH
AL
AF
AP
Ab
An
n0
n3
Status
n5
n7
n9
nH
nE
nJ
nb
qA
qC
qU
Content
Communication malfunction
between main control and DC-DC
controller
Communication malfunction
between main control and inverter
fan driver
Alarm because project code of IDU
is inconsistent
Abnormal communication of
converter
Emergency status of fan
Rated capacity is too high
The matching ratio of rated capacity
for IDU and ODU is too low
Malfunction of multiple main control
units
Malfunction of multiple wired
controller
Overflow distribution of IP address
Malfunction of network for IDU and
ODU of mode exchanger
Unit waiting for debugging
Defrosting
Heat pump function setting
Vacuum pump mode
Heating
Charge refrigerant automatically
Fan
Debugging confirmation when
starting up the unit
Emergency stop of operation
Child lock status
SE operation setting of system
Compulsory defrosting
Compulsory excursion of
engineering code of IDU
Inquiry of parameters
Check quantity of IDU on line
Heating only unit
Negative code
High temperature prevention when
heating
Bar code inquiry
Heat recovery status
Mainly cooling
Grid voltage configuration
Error
Code
Communication malfunction
C2 between main control and inverter
compressor driver
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
CE
between mode exchanger and IDU
Address DIP switch code of system
CJ
is shocking
Communication malfunction
CU between IDU and the receiving
lamp
Communication malfunction
Cd between mode exchanger and
ODU
Communication malfunction of
Cy
mode exchanger
Refrigerant recovery operation of
A2
after-sales
A4 Oil-return
A7 Quiet mode setting
A9 Set Back function
AC Cooling
AE Charge refrigerant manually
AJ Cleaning reminding of filter
AU Long-distance emergency stop
Ad Limit operation
Ay Shielding status
n1 Defrosting cycle K1 setting
Limit setting for max.
n4
capacity/output 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
nU
shielding command of IDU
Length modification of connection
nn
pipe of ODU
qH Mainly heating
Export region setting for PV VRF
qP
units
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73
Content
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