Maintenance&Trouble Shooting
35
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.connectors 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.