16171
Internal error in the device
ABB · PB610 Panel Builder 600 Programming Software
What does 16171 mean?
An unrecoverable internal fault has been detected within the safety I/O module itself. This indicates a hardware malfunction, firmware issue, or critical internal processing error that prevents the module from operating safely. This is a severity 3 error.
Common Causes
- An unrecoverable error has occurred within the device's internal processing.
- Hardware malfunction detected by internal diagnostics.
- Critical software exception not handled.
- Internal component failure.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Replace the I/O module as an internal hardware fault is indicated.
Verified technical data. Last updated: March 2026
Related Faults
Source: ABB PB610 Panel Builder 600 Programming Software