Gree GMV-Y36WL/A-T, Руководство по обслуживанию

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GREE hotovoltaic Multi VRF for North America
105
Debugging:
Error Code Content Error Code Content
U0 Preheat time of compressor is insufficient Cn
Malfunction of network for IDU and
ODU of mode exchanger
U2
Wrong setting of ODU’s capacity
code/jumper cap
Cy
Communication malfunction of
mode exchanger
U3 Power supply phase sequence protection C0
Communication malfunction
between ID
U, ODU and IDU’s
wired controller
U4 Refrigerant-lacking protection C1
Communication malfunction
between main control and DC-DC
controller
U5
Wrong address for driving board of
compressor
C2
Communication malfunction
between main control and inverter
compressor driver
U6 Alarm because valve is abnormal C3
Communication malfunction
between main control and inverter
fan driver
U8 Short-circuit malfunction of IDU C4 Malfunction of lack of IDU
U9 Malfunction of pipe-line for ODU C5
Alarm because project code of IDU
is inconsistent
UA
DC bus overvoltage protection at power
grid side
C6
Alarm because ODU quantity is
inconsistent
UH
DC bus undervoltage protection at power
grid side
C7
Abnormal communication of
converter
UC Setting of main IDU is successful C8 Emergency status of compressor
UL
Emergency operation DIP switch code of
compressor is wrong
C9 Emergency status of fan
UE Charging of refrigerant is invalid CA Emergency status of module
UF
Identification malfunction of IDU of mode
exchanger
CH Rated capacity is too high
UJ FO protection for PV module CC
Malfunction of lack of main control
unit
Ud Grid-connected driver board error CL Rated capacity is too low
Un
Communication malfunction between
main control and inverter
CE
Communication malfunction
between mode exchanger and IDU
Uy
Over-temperature protection for PV
module
CF
Malfunction of multiple main
control units
CU
Communication malfunction between IDU
and the receiving lamp plate
CJ
Address DIP switch code of
system is shocking
Cb Overflow distribution of IP address CP
Malfunction of multiple main wired
controllers
Cd
Communication malfunction between
mode exchanger and ODU