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-034 — WARN HOLD signal from SOP/UOP is lost

FANUC SYST-034 (“WARN HOLD signal from SOP/UOP is lost”): HOLD input signal from SOP/UOP is lost First check: Determine and correct the of loss of this signal.

Updated 2026-08-29 · LogrobotLM reference

Description

HOLD input signal from SOP/UOP is lost

Remedy · Remède

Determine and correct the of loss of this signal.

Frequently asked · Questions fréquentes

What does FANUC alarm SYST-034 mean?
FANUC SYST-034 (“WARN HOLD signal from SOP/UOP is lost”): HOLD input signal from SOP/UOP is lost
How do you troubleshoot FANUC alarm SYST-034?
Determine and correct the of loss of this signal.

Related codes / Codes liés

SYST-032WARN ENBL signal from UOP is lostSYST-033WARN SFSPD signal from UOP is lostSYST-035WARN Low or No Battery Power in PSU.SYST-036WARN Semi power failure recovery

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 →