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FANUC Alarm INTP-494 — Proc_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 2026-09-17 · LogrobotLM reference

Description

Schedule number for PROC_SYNC is not initialized

Remedy

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

Related codes

INTP-492PAUSE Master program stoppedINTP-493PAUSE Slave program stoppedINTP-495NO Proc_END after PROC_STRTINTP-500WARN User AMR is being processed

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