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FANUC Alarm MOTN-186 — Protect of BCST BF to be sent

FANUC MOTN-186 (“Protect of BCST BF to be sent”): Failed to send broadcast from master. First check: Confirm communication status and retry the operation.

Updated 2026-09-17 · LogrobotLM reference

Description

Failed to send broadcast from master.

Remedy

Confirm communication status and retry the operation.

Related codes

MOTN-184Invalid MNUTOOL data arrayMOTN-185Protect of ACK BF to be sentMOTN-187Protect of ACK BF to be readMOTN-188Protect of BCST BF to be read

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 →