LogrobotLM

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FANUC Alarm SYST-077 — WARN Entered INTERLOCK mode

FANUC SYST-077 (“WARN Entered INTERLOCK mode”): The controller is interlocked with the PLC First check: This is an informational message.

Updated 2026-09-17 · LogrobotLM reference

Description

The controller is interlocked with the PLC

Remedy

This is an informational message. There is no error.

Related codes

SYST-075WARN Shell init failureSYST-076WARN Shell condition setup failureSYST-078WARN Entered ISOLATE modeSYST-079WARN Startup check failed

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 →