14-7
Safety task inoperable
Allen-Bradley · Logix 5000
What does 14-7 mean?
The safety logic is invalid, which can be caused by a logic mismatch between the primary controller and safety partner, a watchdog timeout, or memory corruption. This prevents the safety task from executing correctly and may require re-downloading the program.
Common Causes
- Safety logic is invalid
- Mismatch in logic exists between the primary controller and safety partner
- Watchdog timeout occurred
- Memory is corrupt
Repair Steps & Checklist
Click steps to track your progress.
- 1
Clear the fault.
- 2
If a safety task signature exists, safety memory is re-initialized using the safety task signature and the safety task begins executing.
- 3
If a safety task signature does not exist, download the program again to allow the safety task to run.
Verified technical data. Last updated: March 2026
Related Faults
Source: Logix 5000