Yamaha X94 Series, Service Manual

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Diagnosis mode
Over-discharge protection function
If the battery pack becomes over-discharged,
the over-discharge protection function of the
battery pack operates.
If the battery capacity indicator button “
” is
pushed at this time, the battery capacity indi-
cator lamps do not turn on.
The following procedure can be used to
access the over-discharge protection function
diagnostic mode and confirm the details
regarding the malfunction of the battery pack.
*First connect the battery charger to the
battery.
*Because the battery voltage is insufficient
when the battery pack is over-discharged,
the battery capacity indicator lamps will not
turn on or flash if the battery pack is not
connected to the battery charger.
3
2
1
4
Off