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FANUC Alarm OPTN-011 — PWROFF Cycle Power

FANUC OPTN-011 (“PWROFF Cycle Power”): Power down and then up is needed First check: Turn the controller off, and then back on

Updated 2026-09-17 · LogrobotLM reference

Description

Power down and then up is needed

Remedy

Turn the controller off, and then back on

Related codes

OPTN-009WARN Authorized: `… 'OPTN-010WARN Force COLD startOPTN-012WARN ID file is missing/corruptOPTN-013WARN Invalid PAC

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 →