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FANUC Alarm INTP-494Proc_sync Sched number not set

FANUC INTP-494 (“Proc_sync Sched number not set”): Schedule number for PROC_SYNC is not initialized First check: Use SYNC_SCHED instruction prior to using INPOS, PROC_STRT or PROC_SYNC instructions

Updated 2026-08-29 · LogrobotLM reference

Description

Schedule number for PROC_SYNC is not initialized

Remedy · Remède

Use SYNC_SCHED instruction prior to using INPOS, PROC_STRT or PROC_SYNC instructions

Frequently asked · Questions fréquentes

What does FANUC alarm INTP-494 mean?
FANUC INTP-494 (“Proc_sync Sched number not set”): Schedule number for PROC_SYNC is not initialized
How do you troubleshoot FANUC alarm INTP-494?
Use SYNC_SCHED instruction prior to using INPOS, PROC_STRT or PROC_SYNC instructions

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 →