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6.2 List of Fault codes with definitions
Category
Over voltage
(Max. Cell V)
Under voltage
(Min. Cell V)
Pack Under voltage
(Pack V)
Cell Voltage
Difference
(Max cell V- Min cell V)
Charging over current
Discharging over current
Available charging
power limit over
(Charging power)
Available discharging
power limit over
(Discharging power)
Over temperature
(Max. Cell Temp.)
Under temperature
(Min. Cell Temp.)
Temperature deviation
(Max. Cell Temp.–
Min. Cell Temp.)
Internal Communication
External Communication
6. Troubleshooting & Maintenance
Power Output
Diag.
level
Charge Discharge
Fault1
0%
Fault2
0%
Fault1
100%
Fault2
0%
Fault2
0%
Fault1
0%
Fault1
0%
Fault2
0%
Fault1
100%
Fault2
0%
Fault1
0%
Fault2
0%
Fault1
100%
Fault2
0%
Fault1
0%
Fault2
0%
Fault1
0%
Fault2
0%
Fault1
0%
Fault1
0%
Fault2
0%
Fault2
0%
Fault
CB
LED
100%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
Trip
0%
ON
Trip
0%
ON
ON
100%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
Trip
100%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
Trip
0%
ON
ON
0%
ON
ON
0%
ON
Trip
0%
ON
Trip
H/W
signal
-
ON
-
ON
ON
ON
-
ON
-
ON
-
ON
-
ON
-
ON
-
ON
-
-
ON
ON
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