17-34

Controller internal temperature exceeded limit

Allen-Bradley · Logix 5000

What does 17-34 mean?

The internal temperature of the controller module has risen above its safe operating limit, indicating potential overheating conditions. This can lead to module shutdown if not addressed.

Common Causes

  • Controller internal temperature has exceeded operating limit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Take measures to reduce the ambient temperature of the module.

  2. 2

    Follow the recommended limits for the ambient (inlet) temperature.

  3. 3

    Apply the required clearance around the chassis.

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Verified technical data. Last updated: March 2026

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