杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
文件编号
版本号
1.01
第28 页/共 31页
Bafang protocol’s error code information table：
Error code Error description Suggest operation
"04" shown at speed throttle doesn't turn back to zero position (stay
on the high position)
Check if the throttle turned
back
"05" shown at speed throttle failure Check throttle
"07" shown at speed overvoltage protection Check battery voltage
"08" shown at speed failure of motor's hall signal wire Check motor
"09" shown at speed failure of motor's phase wire Check motor
"11" shown at speed failure of the motor's temperature sensor Check controller
"12" shown at speed failure of the current sensor Check controller
"13" shown at speed failure of the temperature of the battery Check battery
"14" shown at speed Controller temperature is too high,
and reaches the protection point
Check motor
"21" shown at speed failure of the speed sensor Check the install position of
the speed sensor
"22" shown at speed Failure of BMS communication Change battery
"30" shown at speed communication failure Check connector to
controller
（* The corresponding fault codes of different system protocols are different. If the fault code
of the instrument appears, please contact our sales and technical support team in time to verify and
confirm!）
11. Wire definition
11.1 Standard wires definition:
The standard outlet of the display is defined by Velofox according to the conventional application,
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