Service Data - Yamaha X94 Series Service Manual

Symptom
Although the power to the
display unit is turned on, all of
the LED display of the LED
type display unit turn on for 4
seconds, and then the power
turns off automatically.
after
4 seconds
Although the power to the
display unit is turned on, all
segments of the LCD type
display unit turn on for 4 sec-
onds, and then the power
turns off automatically.
after
4 seconds
Charged the battery pack, but
the residual battery capacity
display lamp on the display
unit does not show [FL].
All four residual residual bat-
tery capacity display lamp on
the battery pack are slow
flashing simultaneously while
charging the battery pack.
When pressing the battery
capacity indicator button on
the battery pack, all four bat-
tery capacity indicator lamps
flash slowly at the same time.
Check point/method
Battery pack signal lead
wires
(See Chapter 2 "When the
battery pack signal lead wire
becomes disconnected".)
Was the charging started
immediately after driving, or
when the battery pack tem-
perature was high?
This is not a malfunction.
This is not a malfunction.
Troubleshooting
Possible cause/check Part replacement/action
Disconnection of signal lead
wires in the battery pack.
On standby for charging.
See chapter 2 "Temperature
protection function".
4-5
Service
Data
Replace the lead wires for
the DC plug or the power
supply.
Recharge the battery in a
location where the tempera-
ture is suitable for charging (0
to 45°C).
The charging will start once
the internal temperature of
the battery pack is within the
0 to 45°C range.
The battery pack automati-
cally recovers when the bat-
tery pack's internal
temperature returns to the
allowable temperature for
charging.