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FANUC Alarm SYST-143 — WARN pkt_data_size too big

FANUC SYST-143 (“WARN pkt_data_size too big”): pkt_data_size parameter in syinpev_gen call is too big. First check: Use size < = MAX_PKT_DATA in sytglib.h

Updated 2026-08-29 · LogrobotLM reference

Description

pkt_data_size parameter in syinpev_gen call is too big.

Remedy · Remède

Use size < = MAX_PKT_DATA in sytglib.h

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-143 mean?
FANUC SYST-143 (“WARN pkt_data_size too big”): pkt_data_size parameter in syinpev_gen call is too big.
How do you troubleshoot FANUC alarm SYST-143?
Use size < = MAX_PKT_DATA in sytglib.h

Related codes / Codes liés

SYST-141WARN BMON was updatedSYST-142WARN ABS time in sytmrev in pastSYST-144WARN Bad DO specfied by %sSYST-145WARN DO specfied by %s OFFLINE

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 →