Troubleshooting - Yamaha PW45 Original Instructions Manual

TROUBLESHOOTING

E-Bike Systems
Symptom
Pedaling is difficult.
The Drive Unit turns
on and off while
riding.
Strange rumbling or
crunching noises
come from the Drive
Unit.
Smoke or unusual
odor comes from the
Drive Unit.
Check
Is the display unit's
power on?
Is the battery pack
installed?
Is the battery pack
charged?
Has the bicycle
remained stationary for
5 minutes or longer?
Are you riding on a long
inclined road or carrying
a heavy load during
summertime?
Is the air temperature
low (roughly 10 °C or
below)?
Is the display set
correctly?
Are you charging the
battery pack while it is
mounted on the
bicycle?
Is the battery pack
correctly installed?
36
Action
Press the power switch on the display
unit to turn the power on.
Install a charged battery pack.
Charge the battery pack.
Turn the power on again.
This is not a malfunction. It is a
safeguard engaged when the
temperature of the battery pack or the
Drive Unit is too high. Power assist will
be restored once the temperature of the
battery pack or the Drive Unit has
decreased. Also, you can 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).
During the wintertime, store the battery
pack indoors before use.
Set the display correctly.
Stop charging the battery pack.
Check to make sure the battery pack is
locked in place.
If this problem still occurs with the
battery pack firmly locked in place, there
may be a loose connection the battery
pack terminals or wires. Have an
authorized dealer inspect your bicycle.
There could be a problem inside the
Drive Unit.
There could be a problem inside the
Drive Unit.
English - 85