LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm SYST-242 — Invalid RPS code

FANUC SYST-242 (“Invalid RPS code”): The RPS code is an invalid BCD in BCD mode. First check: Check the status of RPS1, RPS2, ...

Updated 2026-08-29 · LogrobotLM reference

Description

The RPS code is an invalid BCD in BCD mode.

Remedy · Remède

Check the status of RPS1, RPS2, ... RPS128.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-242 mean?
FANUC SYST-242 (“Invalid RPS code”): The RPS code is an invalid BCD in BCD mode.
How do you troubleshoot FANUC alarm SYST-242?
Check the status of RPS1, RPS2, ... RPS128.

Related codes / Codes liés

SYST-233RCRON: No response from MAINSYST-239Auto Software Update failedSYST-243RPS failed(%s)SYST-244Auto mode is required

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 →