Yamaha PW-SE series Original Instructions Manual page 56

TROUBLESHOOTING
Symptom
Both side lamps are flashing
simultaneously.
(Rear carrier type) (Down tube type)
The battery charger emits
abnormal noises, foul odors or
smoke.
The battery charger becomes
hot.
After charging, all of the battery
capacity indicator lamps do not
light up when the battery
capacity indicator button "
pressed.
After disconnecting the
charging plug on the battery
charger from the battery pack,
the battery capacity indicator
lamps continue to light up.
Check
It is normal for the
battery charger to
become somewhat
warm during
charging.
Has the charger
plug been
unplugged or the
battery pack
removed during
charging?
Did you start
" is
charging with the
battery pack at a
high temperature,
such as immediately
after use?
Isn't the charging
connector on the
battery pack wet?
53
Action
The battery pack protection
feature has been activated and
the system cannot be used.
Replace the battery pack at an
authorized dealer as soon as
possible.
Unplug the charger plug and
immediately cease operation.
If the battery charger is too hot to
be touched by hand, unplug the
charger plug, wait for it to cool,
and consult an authorized dealer.
Charge the battery pack again.
Move to a location where the
battery temperature can reach the
range where charging is possible,
and then start charging again.
The appropriate atmospheric
temperature for charging is
between 15 and 25ºC.
Clean the charging connector and
charging plug. Then dry them.