FANUC Alarm HOST-199 — WARN TLNT:timeout on …
Manufacturer wording — WARN TLNT:timeout on %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC HOST-199 (“WARN TLNT:timeout on …”): the inactivity timer for the device expired First check: log in again or increase the timer value for the device from the TELNET screens
Updated 2026-09-17 · LogrobotLM reference
Description
the inactivity timer for the device expired
Remedy
log in again or increase the timer value for the device from the TELNET screens
Related codes
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 →