Yamaha X94 Series, Руководство по обслуживанию

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2-21
ELEC
– +
Diagnosis function (LED type display unit)
Speed Sensor Diagnosis Mode Display
Method
To determine if the controller is correctly rec-
ognizing the speed sensor signal, rotate the
wheel to which the speed sensor is connected
and make sure that the number of rotations of
the wheel indicated matches the actual num-
ber of rotations.
1. Go into speed sensor diagnosis mode.
See “Operating Procedures to Diagnosis
Mode.”
Confirm that the “HIGH” lamp of the assist
mode lamps is flashing fast.
2. When you raise and rotate the wheel (with
the speed sensor), the rotation number dis-
play
1
on the display unit will change.
Before rotating the wheel (with the speed
sensor), “0” will be displayed on the rotation
number display
1
of the display unit.
When you rotate the wheel (with the speed
sensor) 1 time, “1” will be displayed on the
rotation number display
1
of the display
unit.
When you rotate the wheel (with the speed
sensor) 12 times, “12” will be displayed on
the rotation number display
1 of the display
unit.
When you rotate the wheel (with the speed
sensor) 13 times, the display of the rotation
number display
1
of the display unit will
return to “1”.
Thereafter, each time the wheel (with the
speed sensor) is rotated, the number of
rotation number display
1
on the display
unit will be from “1” to “12”.
TIP
• You should at least rotate the wheel (with
speed sensor) 3 times and make sure that “3”
is displayed.
• If the speed sensor malfunctions, the number
of rotations displayed on the display unit will
increase before the wheel (with speed sensor)
is rotated even once, or the number will not
increase even when the wheel (with speed
sensor) is rotated once (or there is a delay in
the increase in the value).
Fast flashing
Number of
Wheel
Rotations
Rotation number display
of the display unit
1 rotation
12 rotations
13 rotations
1