FANUC Alarm SYST-074 — WARN Karel shell failed
FANUC SYST-074 (“WARN Karel shell failed”): Communications with the Karel shell extension failed. First check: Cold start the controller.
Updated 2026-08-29 · LogrobotLM reference
Description
Communications with the Karel shell extension failed.
Remedy · Remède
Cold start the controller.
Frequently asked · Questions fréquentes
- What does FANUC alarm SYST-074 mean?
- FANUC SYST-074 (“WARN Karel shell failed”): Communications with the Karel shell extension failed.
- How do you troubleshoot FANUC alarm SYST-074?
- Cold start the controller.
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 →