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PcsBatTempSensorOpen
PcsBatTempSensorShort
BmsBatSystemFault
BmsBatVolOverFault
BmsBatVolUnderFault
BmsCellVolOverFault
BmsCellVolUnderFault
BmsCellVolUnbanceFau
BatChgCurOverFault
BatDChgCurOverFault
BatTemperatureOverFa
BatTemperatureUnderF
CelTemperatureOverFa
CelTemperatureUnderF
BatIsoFault
BatSocLowFault
BmsInterComFault
BatRelayFault
B07
B08
B09
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
Type of Fault
Code
Name Description Recommend Solution
B01
B02
B03
Battery Fault
PcsBatOverVoltFault
PcsBatUnderVoltFault
PcsBatInsOverVoltFaul
All these faults will be
detected or reported by
battery BMS.
• If specific fault high temperature or low
temperature, then should change battery
installed environment temperature.
• Restart battery, maybe can working as
normal.
• If this fault occurs continuously and
frequently, please ask help for local
distributors.
Battery temperature
sensor abnormal
• Check battery temperature sensor and
connected wires damage or not , then
rectification or change new one.
Battery voltage over or
under
• Check inverters connected battery lines
and connectors broken or loose connect.
• Carry out rectification if broken or
loose.
• Checking battery voltage is abnormal
or not, then maintenance or change new
battery.
B04 PcsBatReversedFault
Bat. (+) and Bat. (-) are
reversed.
• Check Bat.(+) and Bat.(-)connect
reversed or not.
• Make correction If reversed.
B05 PcsBatConnectFault
Battery wires loose
• Check battery wires and connectors
damage or loose connect.
• Carry out rectification if break.
B06 PcsBatComFault
Battery communication
abnormal
• Check battery side communication
wires damage or loose connect, and
then carry out rectification.
• Check battery is off or other abnormal,
then Mastertenance battery or change
new battery.
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