Gree GMV-12WP/A-T, Owner'S Manual

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DC Inverter Multi VRF System
28
Error Code Content Error Code Content
PJ Failure startup of inverter compressor HJ Failure startup of inverter fan
PP
AC current protection of inverter
compressor
HP AC current protection of inverter fan
Ed
Low temperature protection for drive
module
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Debugging:
Status:
Error Code Content Error Code Content
A0
Unit waiting for debugging
AP
Debugging confirmation when starting
up the unit
A1
Inquiry of compressor operation
parameters
AU
Long-distance emergency stop
A2
Refrigerant recovery operation of
after-sales
Ab
Emergency stop of operation
A3
Defrosting
Ad
Limit operation
A4
Oil-return
n0
SE operation setting of system
A6
Heat pump function setting
n1
Setting of defrosting cycle K1
A7
Quiet mode setting
n2
Setting of upper limit of IDU/ODU
capacity distribution ratio
A8
Vacuum pump mode
n4
Limit setting for max. capacity/output
capacity
A9
IPLV test
n6
Inquiry of malfunction
AA
EU AA level EER test mode
n7
Inquiry of parameters
AH
Heating
n8
Inquiry of project code of IDU
AC
Cooling
nA
Heat pump unit
AL
Charge refrigerant automatically
nH
Heating only unit
AE
Charge refrigerant manually
nC
Cooling only unit
AF
Fan
nE
Negative code
Error Code Content Error Code Content
U0
Preheat time of compressor is
insufficient
C4 Malfunction of lack of IDU
U2
Wrong setting of ODU’s capacity
code/jumper cap
C5
Alarm because project code of IDU is
inconsistent
U4 Refrigerant-lacking protection C8 Emergency status of compressor
U5
Wrong address for driving board of
compressor
C9 Emergency status of fan
U6 Alarm because valve is abnormal CH Rated capacity is too high
U8 Malfunction of pipeline for IDU CC Malfunction of lack of main control unit
U9 Malfunction of pipeline for ODU CL Rated capacity is too low
UC Setting of main IDU is successful CF
Malfunction of multiple main control
units
UL Wrong button-dial CJ
Address DIP switch code of system is
shocking
UE Charging of refrigerant is invalid CP Malfunction of multiple wired controller
C0
Communication malfunction between
IDU, ODU and IDU’s wired controller
CU
Communication malfunction between
IDU and the receiving lamp plate
C2
Communication malfunction between
main control and inverter compressor
driver
Cb Overflow distribution of IP address
C3
Communication malfunction between
main control and inverter fan driver
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