E254 Code
Check C3STROM E254 e-Bike Error Code :
Indication conditions
Electrical abnormality in battery detected.
Operational restrictions being displayed
No system functions will start.
Solution
Check whether the power cord is loose or disconnected, and that it is appropriately connected.
If the situation does not improve in step 1, press and hold the power switch of the battery.
If the situation does not improve in step 2, charge the battery.
If the situation does not improve after performing the above operations, stop use and contact your place of purchase.