FANUC Alarm TPIF-143 — Connection error
FANUC TPIF-143 (“Connection error”): An external connection to the teach pendant menus has failed. First check: Restart the controller, and try again.
Updated 2026-09-17 · LogrobotLM reference
Description
An external connection to the teach pendant menus has failed.
Remedy
Restart the controller, and try again.
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 →