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 PNT2-358 — %sInvalid tutone received

FANUC PNT2-358 (“%sInvalid tutone received”): An invalid tutone option was received from the PLC. First check: The PLC must init the robot with a valid tutone option.

Updated 2026-08-29 · LogrobotLM reference

Description

An invalid tutone option was received from the PLC.

Remedy · Remède

The PLC must init the robot with a valid tutone option.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-358 mean?
FANUC PNT2-358 (“%sInvalid tutone received”): An invalid tutone option was received from the PLC.
How do you troubleshoot FANUC alarm PNT2-358?
The PLC must init the robot with a valid tutone option.

Related codes / Codes liés

PNT2-355%sRobot task has faultedPNT2-356%sFailed to run robot taskPNT2-359%sInvalid repair receivedPNT2-360%sInvalid color received

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 →