LogrobotLM

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FANUC Alarm SYST-022 — WARN PNS not zero, cannot continue

FANUC SYST-022 (“WARN PNS not zero, cannot continue”): Paused program cannot be continued if PNS input ports are not zero This error occurs in R- First check: Set all PNS input ports to OFF

Updated 2026-09-17 · LogrobotLM reference

Description

Paused program cannot be continued if PNS input ports are not zero This error occurs in R-

Remedy

Set all PNS input ports to OFF

Related codes

SYST-020WARN Program not verified by PNSSYST-021WARN System not ready, press resetSYST-023SYSTEM Teach Pendant communication errorSYST-024WARN PNSTROBE is OFF. Cannot start exec

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →