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BatPreChaFault
BmsBatChgMosFault
BmsBatDChgMosFault
BMSVolOVFault
BMSVolLFault
VolLockOpenFault
VolLockShortFault
ChgRefOVFault
B25
B26
B27
B28
B29
B30
B31
B32
Type of Fault
Code
Name Description Recommend Solution
Battery Fault
GridOverVoltFault
GridUnderVoltFault
GridLineOverVoltFault
GridLineUnderVoltFault
Grid voltage over
Grid voltage under
Grid line voltage over
Grid line voltage under
C05
C06
C07
C08
• The inverter will restart automatically
when the grid three phase return to
normal.
• Contact with local distributor or
required grid company adjust voltage
protection parameters.
C01 GridLossFault
Grid lost (islanding)
• Inverter will restart automatically when
the grid return to normal.
• Check inverter connected with grid
connectors and cable normal or not.
C02 GridUnbalanVoltFault
Grid Voltage unbalanced.
• The inverter will restart automatically
when the grid three phase return to
normal.
• Check inverter connected with the grid
connectors and wires normal or not.con-
nectors and cable normal or not.
C03 GridInstOverVoltFault
Grid instantaneous
voltage over
• The inverter will restart automatically
when the grid three phase return to
normal.
• Contact with local distributor or
required grid company adjust protection
parameters.
C04
Grid10MinOverVoltFault
Grid voltage Over by
10 Minutes
• The inverter will restart automatically
when the grid three phase return to
normal.
• Contact with local distributor or
required grid company adjust 10 minutes
protection voltage parameters.
C10 GridUnderFreqFault
Grid Frequency under
C09 GridOverFreqFault
Grid Frequency over
• The inverter will restart automatically
when the grid three phase return to
normal.
• Contact with local distributor or
required grid company adjust frequency
protection parameters.
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