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Error code ( 3 )
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Reconnect the wire of the throttle. Find the throttle wire with the orange connector inside, disconnect it and then reconnect it to restart the throttle.
If it still doesn’t work, you need to replace the throttle. Then provide the relevant video and serial number to contact the after-sales service.
Reconnect the motor wire. Find the motor wire near the hub motor, disconnect it, and then reconnect it to restart the motor.
If the error code is still on the display, Then provide the relevant video and serial number to contact the after-sales service.
You need to unplug all the plugs including 7 (2 brake levers, throttle, front light, tail light, sensor, motor wire). At this time, the meter should display error code 24 normally.
After all unplugging, if code 30 still appears on the display, there is a high probability that it is a controller problem.
After all unplugging, if the display shows code 24, then connect the motor cable first. If 30 appears then, it is a motor problem.
If there is no error code after connecting the motor, connect other connections in sequence until the error code 30 appears. It means that code 30 is caused by this connection, and this part needs to replace.
Then provide the relevant video and serial number to contact the after-sales service.
Components And Accessories ( 3 )
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A. Check if the charger is good
B. If charger is ok, please open the battery case and check if the charger port fuse in battery is broken.(Normally, the charging port fuse will be blown when charger is broken or there is a shortcircuit in charging positive and negative.)If the fuse is broken, please change a 10A red charging port fuse.
C. If charger and charger port fuse are good，Please find and pull out flat cable of BMS board, and then test the voltage of the every cable from negative cables to positive cables.If the error of every flat cable is less than 100mV, the BMS board is broken and we need to change the BMS.
D. If the voltage of flat cable is less than 2.5V, battery can not be fixes.
If you still can't solve it after replacement,provide the relevant video and serial number to contact the after-sales service.
Please reconnect the light cable, if it still doesn’t work, it is mainly caused by the controller.
Then please provide the bike serial number, motor-controller connector to after-sales.
Please reconnect the light cable and check if the pins are damaged or bent.
If it can not be fixed, then please send emails to after-sales.
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