Fault phenomenon

　　The voltage dropped quickly when the new battery was loaded and started.

　　Check the processing

　　Check whether the voltage is consistent with the battery capacity.

　　When the relationship between the voltage displayed by the instrument does not meet the above table, the manufacturer should be adjusted.

　　Check whether the battery connection cable is reliable, whether there is short circuit and connection unreliable. If you have it, exclude it.

　　Check whether the starting and running current of the electric vehicle is too large. If it is too large (the starting current is above 15A, the current current is 6A or more), the controller restricted flow or check and repair the motor.

　　Check whether the battery capacity is low. If it is low, the battery should be charged and discharged

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