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FANUC Alarm MOTN-321WARN Posn unreachable at line %s

FANUC MOTN-321 (“WARN Posn unreachable at line %s”): An unreachable position is detected in the adjustment precheck First check: Check the alarm log to find out at which position motion error will occur, use CLR_Adj

Updated 2026-08-29 · LogrobotLM reference

Description

An unreachable position is detected in the adjustment precheck

Remedy · Remède

Check the alarm log to find out at which position motion error will occur, use CLR_Adj

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-321 mean?
FANUC MOTN-321 (“WARN Posn unreachable at line %s”): An unreachable position is detected in the adjustment precheck
How do you troubleshoot FANUC alarm MOTN-321?
Check the alarm log to find out at which position motion error will occur, use CLR_Adj

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 →