LogrobotLM

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FANUC Alarm MOTN-257 — STOP Wrist start angle mismatch

FANUC MOTN-257 (“STOP Wrist start angle mismatch”): Wrist axis turn number is differ from position data First check: Confirm position data turn number and actual turn number.

Updated 2026-08-29 · LogrobotLM reference

Description

Wrist axis turn number is differ from position data

Remedy · Remède

Confirm position data turn number and actual turn number. Fix turn in config data.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-257 mean?
FANUC MOTN-257 (“STOP Wrist start angle mismatch”): Wrist axis turn number is differ from position data
How do you troubleshoot FANUC alarm MOTN-257?
Confirm position data turn number and actual turn number. Fix turn in config data.

Related codes / Codes liés

MOTN-255STOP OFIX: Detect J4 is not 0MOTN-256STOP OFIX: TCP config limitMOTN-258STOP Not reached to dest rotationMOTN-259STOP Not reached to dest spin

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 →