The battery is not supplying the required
voltage to power the display and motor.
Use the display to view the real-time
voltage being output from the battery.
It can also be checked using a volt meter.
If the battery is old and has been charged
/ discharged many times, it may need to
be replaced. This error could also appear
if you install the wrong battery on your
Dash 350W/500W.
38
Battery Voltage
Error
E1E
Communication
Error
Bad connection between display and
controller, disconnect and re-connect
display; ensure connection does not
have grit or contamination.
12
SERFAS E-BIKE OWNER’S MANUAL
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