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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

00D0No block-transfer response (timeout)00D1Checksum mismatch in read response00D2Read/Write request/response mismatch
Source: Logix 5000
Open Manual (Page 157)Search more codes in this manual