Eahora KD986 Owner's Manual page 8

Error Code Indication
Error code appears when the electronic control system of the E-bike
fails. Every error code refers to a different component fault.
When there is an error code, please eliminate the fault in time or it
can't work normally.
Error code
21
22
23
24
25
30
Error Code Indication
Current Abnormality
Throttle Abnormality
Motor Abnormality
Motor Hall Signal Abnormality
Brake Abnormality
Communication Abnormality
Definition