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
Take measures to reduce the ambient temperature of the module.
- 2
Follow the recommended limits for the ambient (inlet) temperature.
- 3
Apply the required clearance around the chassis.
Verified technical data. Last updated: March 2026
Related Faults
Source: Logix 5000