Error Code Comparison Table - E-Bike B02NU Manual

Error code comparison table

Error code
"04"
"05"
"07"
"08"
"09"
"11"
"12"
"13"
"14"
"21"
"22"
"30"
Description of the fault
The speed control put has
no homing
Speed regulation put
failure
Overvoltage protection
The motor Hall signal line
is faulty
Motor phase line failure
Controller temperature
sensor failure
Current sensor failure
Battery internal
temperature failure
Temperature failure in the
motor
Speed sensor failure
BMS communication failure
Communication failure
20 20
/
Troubleshooting methods
Check that the handle is
in place
Check the handlebar
Check the battery voltage
Check the motor module
Check the motor module
Check the controller
Check the controller
Check the battery
Check the motor
Check where the speed
sensor is installed
Replace the battery
Check the controller
connector