The King Meter will automatically show an error code to indicate specific issues regarding the electric system. Here is a list of error codes and their quick fixes. Please contact us if you require assistance in resolving your error code.


21 Electric current abnormality - Check to see if all plugs are connected properly or have been damaged.


22 Throttle abnormality – This error is often a result of holding down the thumb throttle while turning the E-bike on.


23 Motor open-phase – This error is often a result of a connection error between the plug and motor. Check to see if all plugs are connected properly or have been damaged.


24 Motor hall signal – This error is often a result of a connection error between the motor and controller. Check to see if all plugs are connected properly or have been damaged.


25 Brake abnormality – This error is often a result of holding down the brake handle while turning the E-bike on.


30 Communication abnormality – This error is often a result of a connection error between the display and the controller. Check to see if all plugs are connected properly or have been damaged.


batt LU – This error is often a result of low button batteries in the King Meter.