Troubleshooting; E-Bike Systems - Yamaha PW SYSTEM Manual

O. Troubleshooting

e-Bike Systems

Symptom
Pedaling is difficult.
Check
Is the Display Press the power switch on
Unit's power the Display Unit to turn the
on? power on.
Is the Battery Install a charged Battery
Pack installed? Pack.
Is the Battery
Charge the Battery Pack.
Pack charged?
Has the bicycle
remained not
operated for 5 Turn the power on again.
minutes or
longer?
This is not a malfunction. It
is a safeguard engaged
when the temperature of
the Battery Pack or the
Drive Unit is too high.
Are you riding Power assist will be
on a long restored once the
inclined road or temperature of the Battery
carrying a heavy Pack or the Drive Unit has
load during decreased. Also, you can
summertime? make this less likely to
occur by shifting to a lower
gear than you would
usually use (for example,
by shifting from second to
first gear).
Is the air
During the wintertime,
temperature low
store the Battery Pack
(roughly 10 °C
indoors before use.
or below)?
Are you
charging the
Battery Pack Stop charging the Battery
while it is Pack.
mounted on the
bicycle?
(Display B)
Is the display Set the display correctly.
set correctly?
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Action