Yamaha HAIBIKE SDURO HardSeven SL Original Instructions Manual page 98

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14. TROUBLESHOOTING
Symptom
(Rear carrier type) (Down tube type)
(Rear carrier type) (Down tube type)
98
Check
There is a contact fault
in the contact terminals.
There is a contact fault
in the contact terminals.
Isn't the charging connector on the
battery pack wet?
Action
Remove the battery pack from the bicycle, connect the charging
plug into the battery pack. (If lamps still flash alternately,
there might be a fault in the battery pack)
When remount the battery pack on the bicycle and press the
power switch of display unit, if lamps still flash alternately, there
might be a fault in the Drive Unit.
Remove the battery pack from the battery charger, mount the
battery on the bicycle and press the power switch of display unit.
When the charging plug reconnected into the battery pack,
if lamps still flash simultaneously, there might be a fault in the
battery charger.
Clean the charging connector and charging plug, and dry them.
After that, connect the charging plug to
the charging connector.