niu M+ - Fault Code List

36
Fault Code List
Fault
Code
Meaning Causes Troubleshooting
30
Battery
overcharged
Battery in overcharge
protection
Turn on headlight to discharge. Check
if the charger is broken or wrong type.
31
Charging
overcurrent
Battery in overcurrent
protection
Stop charging and check if
the charger has failed.
32
Charging low
tem
perature
Battery is too cold to
charge.
Bring the battery indoor until
battery temperature is normal.
130
Battery
overdischarge
Battery level is too low and
the BMS is about to enter
protection mode
Stop riding and charge the battery.
131
Battery
overcurrent
Battery is undervoltage or
overvoltage
Check if the charger is failed.
132
Battery over-
temperature
Battery temperature is too
high
Stop riding and park the bike in the
shade to let the battery cool down.