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
Verify channel (Chxx) is enabled in the module configuration via Logix Designer.
- 2
Check for a No Load condition on the channel (Chxx) output, especially if configured for current mode.
- 3
Inspect channel (Chxx) output wiring for any short circuits.
Verified technical data. Last updated: March 2026
Related Faults
Source: Allen-Bradley Compact 5000 I/O Analog Modules