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 →

FANUC Alarm HOST-135 — WARN Timeout

FANUC HOST-135 (“WARN Timeout”): There has not been any network activity on the Comm Tag for a period specified by Inactivity Timeout. First check: Restart the Comm Tag.

Updated 2026-09-17 · LogrobotLM reference

Description

There has not been any network activity on the Comm Tag for a period specified by Inactivity Timeout. The Comm Tag has been stopped as a result.

Remedy

Restart the Comm Tag.

Related codes

HOST-133WARN Wrong setup conditionsHOST-134WARN BCC or CRC errorHOST-136WARN Device not readyHOST-137WARN Request cancelled

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. How this reference is built →