PW0013
USER I/O CROSS CHECK ERROR(PMC)
Fanuc · Alpha i Series Servo Amplifier
What does PW0013 mean?
The PMC detected an error in the user-defined safe I/O cross-check function. This indicates a discrepancy in the monitored user-configured safe I/O signals, potentially affecting user-implemented safety features. A power cycle is required.
Common Causes
- PMC detects a discrepancy in user-defined safe I/O signal states.
- Malfunctioning user-programmed device affecting PMC monitored I/O.
- PMC internal logic fault in cross-checking user I/O.
- Signal integrity issues on user-defined safe I/O communication lines.
- Incorrect mapping or configuration of user-defined safe I/O in PMC.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Examine the state of all user-defined safe I/O channels within the PMC.
- 2
Measure voltage at the PMC user I/O terminals.
- 3
Verify parameter P1-19 (PMC User I/O Configuration) for accurate setup.
- 4
Inspect the physical connections of user I/O devices.
- 5
Confirm the logic that drives or reads these user I/O signals.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc Alpha i Series Servo Amplifier