FANUC Alarm HOST-311 — Interlock Mode signal is off
FANUC HOST-311 (“Interlock Mode signal is off”): You press the OPR enable button but interlock signal is off. First check: Set the interlock signal ON.
Updated 2026-08-29 · LogrobotLM reference
Description
You press the OPR enable button but interlock signal is off.
Remedy · Remède
Set the interlock signal ON.
Frequently asked · Questions fréquentes
- What does FANUC alarm HOST-311 mean?
- FANUC HOST-311 (“Interlock Mode signal is off”): You press the OPR enable button but interlock signal is off.
- How do you troubleshoot FANUC alarm HOST-311?
- Set the interlock signal ON.
Related codes / Codes liés
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 →