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Symptom
Check
Action
(Down Tube Battery)
Remove the Battery Pack
from the bicycle.
Then connect the charging
plug into the Battery Pack.
(If battery capacity
indicator lamps still flash
alternatively, there might
be a fault in the Battery
Pack).
When the Battery Pack is
remounted on the bicycle
and the power switch of
the Display Unit is pressed,
if battery capacity indicator
lamps still flash alternately,
there might be a fault in the
Drive Unit.
(Multi Location Battery)
There is a
contact fault in
the contact
terminals.
(External Crossover Battery)