E012 Code
Check Rattan E012 e-Bike Error Code :
Indication conditions
Sensor initialization could not be completed normally.
Operational restrictions being displayed
Assist will not be provided when riding.
Solution
Press the battery power button to turn the power OFF and then ON again without placing your feet on the pedals.
Or, have your place of purchase perform the following.
Adjust the chain tension.
If the error persists, contact your distributor for assistance.