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We manufacture a variety of products such as electric bike conversion kits, mountain and city electric bikes, fat tire electric bikes and relative parts for electric bicycles.

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No.2, Longhui Road, National High - tech Zone, Wujin, Changzhou
BAFANG MID MOTOR ERROR CODE DEFINITIONS
 Feb 27, 2018|View:374

Error CodeError DescriptionError-shooting Method
"03" is displayed in the
field for speed display.
The braking system has been
applied.
Check whether a brake cable is stuck.
“04” is displayed in the
field for speed display.
The throttle has not returned
home
Check whether the throttle has
returned home.
“05” is displayed in the
field for speed display.
Throttle faultCheck the throttle.
“06” is displayed in the
field for speed display.
Low voltage protectionCheck the battery voltage.
“07” is displayed in the
field for speed display.
Overvoltage protectionCheck the battery voltage.
“08” is displayed in the
field for speed display.
Motor hall signal cable faultCheck the motor module.
“09” is displayed in the
field for speed display.
Motor phase cable faultCheck the motor module.
“11” is displayed in the
field for speed display.
Controller temperature
sensor failure
Check the controller.
“12” is displayed in the
field for speed display.
Current sensor failureCheck the controller.
“13” is displayed in the
field for speed display.
Battery temperature faultCheck the battery.
“21” is displayed in the
field for speed display.
External speed-detecting
sensor fault
Check the installation position of the
external speed-detecting sensor.
“22” is displayed in the
field for speed display.
BMS communication failureReplace the battery.
“30” is displayed in the
field for speed display.
Communication failureCheck the controller connectors.


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