92

Pulse Input Loss

Allen-Bradley · PowerFlex 700

What does 92 mean?

The Z Channel is selected as a pulse input, and no signal is present. This indicates a loss of feedback from a pulse generator connected to the Z Channel input, critical for applications requiring pulse-based speed or position control.

Common Causes

  • Interruption of the pulse train signal from a sensor or encoder.
  • Encoder connection failure or damage.
  • Mechanical issue causing erratic pulse generation.
  • Faulty encoder or pulse input circuitry.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the wiring to the pulse generator connected to the Z Channel.

  2. 2

    Replace the pulse generator.

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Verified technical data. Last updated: March 2026

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Allen-Bradley 92 (Pulse Input Loss) — Technical Reference | ErrorLib