26
Cell temperature sensor damage
Sensor damaged or wires was dropped, both RCL1 & RCL2
were damaged
Large charging /discharging temperature difference
△T(cell)>15℃(1s), don’t allow charging
⚫ Do not connect to the power supply and let the load
stand for 1 hour.
⚫ If it cannot be eliminated, please scrap it.
△T(cell)>25℃(1s), stop discharging
The voltage error of cell too high
The configured parameters do not match the program
default parameter range
⚫ Factory settings are abnormal, please contact after-
sales.
Wrong charger connected(Charger mismatch)
⚫ Do not connect to the power supply and let the load
stand for 30 minutes before charging with the normal
standard charger.
⚫ If it cannot be eliminated, please scrap it.
Under voltage first layer protection
Battery was fully discharged, Cell voltage <3.2V for 1 hour
⚫ Charging with standard charger, voltage > 46V
Under voltage second layer protection
Battery was fully discharged, Battery voltage too low
⚫ Charging with standard charger, voltage > 40V
Over voltage first layer protection
High battery voltage, cell voltage > 4.25V
⚫ Discharge treatment, voltage < 53. 5V
Over voltage second layer protection
Battery voltage is too high, pack voltage > 56.5V
⚫ Discharge treatment, pack voltage < 52V
Over current first layer protection
Discharge current > 25A, lasting for 10 seconds
⚫ Do not connect the power supply and let the load
stand for 3 minutes.
⚫ If it cannot be eliminated, please scrap it.
Over current second layer protection
Discharge current > 40A, lasting for 2 seconds
⚫ Do not connect the power supply and let the load
stand for 3 minutes.
⚫ If it cannot be eliminated, please scrap it.
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