2-22
Diagnosis function
ELEC
–
+
Drive Unit Diagnosis Mode Display Method
You can check the status of or malfunctions in
the Drive Unit.
1. Go into Drive Unit in diagnosis mode.
See “Operating Procedures to Diagnosis
Mode”.
Confirm that the assist mode display is flash-
ing “STD” fast (0.2 second).
After the diagnosis mode indicator of the dis-
play unit has displayed “1” for up to 10 sec-
onds, you can check the torque sensor refer-
ence voltage, motor current, error dis plays
(“E2”, “E4”), and the display unit func tion
check.
Fast flashing
List of Drive Unit Diagnosis Mode Display Methods
Inspection
items
Diagno-
sis mode
display
Press
operating
button
Diagnosis data display
Press operating
button
1) Torque
sensor
reference
voltage
Values are displayed from 0.0 to 5.0 (V)
To 2) Motor current
2) Motor
current
Motor output current in “HIGH” mode
is displayed as 0 to 100 (= % output).
To 3) Error display
3) Error display
There is no display when there are no
errors.
When there is an error, either “E2” (motor)
or “E4” (controller) are displayed.
To 4) Display unit
function check
4) Display unit
function check
All segments are
illuminated
(segments that are
not illuminated
indicate a
malfunction.)
Power goes off
〜
〜
or