TROUBLESHOOTING
E-Bike Systems
Symptom
Check
Action
The assist mode
lamps, residual
battery capacity lamp,
remaining assist
distance lamp are
flashing in an
alternating pattern (at
intervals of roughly
0.2 seconds).
Or, the assist mode
indicator and battery
capacity indicator are
flashing in an
alternating pattern (at
intervals of 0.5
seconds).
There could be a problem inside the
Drive Unit is malfunctioning.
Turn on the power to the display unit and
then leave it alone for 5 minutes. All
lamps will turn off automatically. Turn the
power on again.
The display unit shuts
down immediately
(approx. 4 seconds
later) after switching
the power on.
Are the bicycle’s battery
pack connection
terminals dirty?
Remove the battery pack, clean the
bicycle’s terminals with a dry cloth or
cotton swab, and then install the battery
pack again.
Traveling range has
decreased.
Are you fully charging
the battery pack?
Charge the battery pack until full (F).
Are you using the
system under low-
temperature
conditions?
Normal traveling range will be restored
when the ambient temperature rises.
Additionally, storing the battery pack
indoors (in a warm location) before use
will improve traveling range under cold
conditions.
Is the battery pack worn
out?
Replace the battery pack.
The assist mode
lamps are flashing.
Assist mode lamp
These lamps will flash when the speed
sensor is unable to detect a correct
signal.
Turn off the power to the display unit and
then turn it on again, select the assist
mode and then ride for a short distance.
Also, make sure the magnet is mounted
correctly on the spokes of the wheels.
