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-153 — WARN Cannot SIM/UNSIM DO’s in AUTO mode

FANUC SYST-153 (“WARN Cannot SIM/UNSIM DO’s in AUTO mode”): Attempt to force output signal while controller is in AUTO mode First check: Exit AUTO mode before doing this operation

Updated 2026-08-29 · LogrobotLM reference

Description

Attempt to force output signal while controller is in AUTO mode

Remedy · Remède

Exit AUTO mode before doing this operation

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-153 mean?
FANUC SYST-153 (“WARN Cannot SIM/UNSIM DO’s in AUTO mode”): Attempt to force output signal while controller is in AUTO mode
How do you troubleshoot FANUC alarm SYST-153?
Exit AUTO mode before doing this operation

Related codes / Codes liés

SYST-151WARN Start again (%s, %d)SYST-152WARN Cannot force DO’s in AUTO modeSYST-154WARN No start in ISOLATE/BYPASS modeSYST-155ABC overrun

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 →