Alternating yellow/red

Calibration In Progress

Allen-Bradley · Compact 5000 I/O Analog Modules

What does Alternating yellow/red mean?

The module is currently performing a calibration procedure. This is a temporary and expected state, indicating that calibration is actively running and not a fault condition requiring troubleshooting of hardware. The module will return to normal operation upon completion.

Common Causes

  • A calibration process has been initiated for the module or channel via the Logix Designer application.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Complete the ongoing calibration process within the Logix Designer application.

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Verified technical data. Last updated: March 2026

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