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 2026-08-29 · LogrobotLM reference

Description

The controller is interlocked with the PLC

Remedy · Remède

This is an informational message. There is no error.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-077 mean?
FANUC SYST-077 (“WARN Entered INTERLOCK mode”): The controller is interlocked with the PLC
How do you troubleshoot FANUC alarm SYST-077?
This is an informational message. There is no error.

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →