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FANUC Alarm SVGN-139 — Could not read tip stick detect input.

FANUC SVGN-139 (“Could not read tip stick detect input.”): Tip stick detect input could not be read, due to an I/O error. First check: Check the I/O mapping/configuration and I/O device status.

Updated 2026-08-29 · LogrobotLM reference

Description

Tip stick detect input could not be read, due to an I/O error.

Remedy · Remède

Check the I/O mapping/configuration and I/O device status.

Frequently asked · Questions fréquentes

What does FANUC alarm SVGN-139 mean?
FANUC SVGN-139 (“Could not read tip stick detect input.”): Tip stick detect input could not be read, due to an I/O error.
How do you troubleshoot FANUC alarm SVGN-139?
Check the I/O mapping/configuration and I/O device status.

Related codes / Codes liés

SVGN-137Invalid Number of Thickness Cal pts.SVGN-138Invalid tipwear ratio.SVGN-140Uninitialized start distance number.SVGN-141Uninitialized end distance number.

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 →