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FANUC Alarm MOTN-188 — Protect of BCST BF to be read

FANUC MOTN-188 (“Protect of BCST BF to be read”): Failed to read broadcast from master. First check: Confirm communication status and retry the operation.

Updated 2026-09-17 · LogrobotLM reference

Description

Failed to read broadcast from master.

Remedy

Confirm communication status and retry the operation.

Related codes

MOTN-186Protect of BCST BF to be sentMOTN-187Protect of ACK BF to be readMOTN-189Slave motion remainedMOTN-190Slave cannot use JOINT pos

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 →