Chapter 13 Warning CodesC2000 Plus
ID No. Display on LCD Keypad Warning Name Description
125
Index Pulse Fail
（INDX）
1. The Z position difference is bigger than 2 and
occurs 2 times. Besides, more than 20 Z position
differences bigger than 2 occur in 1 second,
2. The two Zindex position differences > 10 degree
mechanical angle.
The two situations mentioned above cause Index Pulse
Fail.
Action and Reset
Action condition N/A
Action time 1 second
Warning Setting Parameter N/A
Reset method Auto-reset after the resolving the trouble.
Reset condition N/A
Record N/A
Cause Corrective Actions
Zindex may be affected by noise
Verify if the wiring of the control circuit, the wiring of the main circuit and the
grounding wiring are compatible to the noise immunity.
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