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16. M15S Troubleshooting
Display
“Change RST” message appears when the Controller detects a motion in the wrong
direction. For example, the Controller switches the outputs to move upward but the table
starts moving in reverse direction. Usually this is caused by incorrect wiring of the three
phase motor.
Press to clear.
Check the wiring and change if necessary.
Display
Possible cause:
a. no sensor
b. 9-pin connector is loose
c. wire broken
d. the gap between sensor and tape is too large
Excluding: Check the sensor, sensor cable, sensor connector, and adjust gap (if
necessary).
Display
Possible cause: Incorrect operation; check parameter setting.
Excluding: Press to clear.