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4-2 Adjustment Method (b)
1. Slide the test switch ON.
2. Turn the power OFF and then back ON again.
3. Select “I/’O TEST” and press the decision button (View Change).
4. Select “STEP ADJUST” and press the decision button. The controls are now
initialized.
5. After initialization is completed, turn the test switch OFF.
The motor check begins. If the motor still does not operate correctly, there is
a problem with the motor or switches, and an error will be displayed on the
screen. Refer to section 4-3, below, “Handling Motor Errors”, for fault finding.
4-3 Handling Motor Errors
If a problem has occurred with the step-lock motor, an error message and method
of rectifying will be displayed on the screen.
1. Errors at Start-up
a. When the power is turned ON the step-lock motor is automatically checked.
The motor check first locks the steps, frees them, then locks them again.
Note: Ensure that the test switch is OFF during motor check. Also ensure that the
steps are not touched during the motor check, or the check will not be per-
formed correctly.
b. If the first lock is not completed within fifteen seconds from power up, the
following error display screen appears.
If this happens, refer to section 4-1 “Adjustment Method (a)”, and initialize
the controls.
c. If an error other than the one shown above is displayed, it is possible that a
fuse has blown, there is a problem with the step-motor mechanism or the
steps are not moving freely.
d. If the first lock is completed within fifteen seconds, but the steps cannot be
released, Motor Error 2 screen is displayed until the fault is rectified.
MOTOR ERROR 1
PLEASE STEP ADJUST
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