Chxx.Fault

Channel Data Fault (Output Modules: 5069-OF4, 5069-OF4K, 5069-OF8)

Allen-Bradley · Compact 5000 I/O Analog Modules

What does Chxx.Fault mean?

This boolean tag indicates that channel data for channel (xx) is inaccurate and cannot be trusted for use in the application. A value of 1 means the data is bad, causing a fault. The tag automatically resets to 0 once the underlying condition is resolved.

Common Causes

  • Channel (Chxx) is disabled in the module configuration
  • No Load condition detected on the channel output
  • Short Circuit condition at channel (Chxx) output wiring

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify channel (Chxx) is enabled in the module configuration via Logix Designer.

  2. 2

    Check for a No Load condition on the channel (Chxx) output, especially if configured for current mode.

  3. 3

    Inspect channel (Chxx) output wiring for any short circuits.

Browse all codes in this manual (33)
Verified technical data. Last updated: March 2026

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Source: Allen-Bradley Compact 5000 I/O Analog Modules