FANUC Alarm TPIF-140 — Connection limit exceeded
FANUC TPIF-140 (“Connection limit exceeded”): An attempt to log into the teach pendant menuing system from an external web browser has failed because the connection limit has been reached. First check: The system variable $UI_CONFIG.$NUM_CONNECT controls the number of external connections allowed.
Updated 2026-08-29 · LogrobotLM reference
Description
An attempt to log into the teach pendant menuing system from an external web browser has failed because the connection limit has been reached.
Remedy · Remède
The system variable $UI_CONFIG.$NUM_CONNECT controls the number of external connections allowed. The maximum number of connections is five INCLUDING the teach pendant. Reconnect the external connections in your system so that no more than five exist.
Frequently asked · Questions fréquentes
- What does FANUC alarm TPIF-140 mean?
- FANUC TPIF-140 (“Connection limit exceeded”): An attempt to log into the teach pendant menuing system from an external web browser has failed because the connection limit has been reached.
- How do you troubleshoot FANUC alarm TPIF-140?
- The system variable $UI_CONFIG.$NUM_CONNECT controls the number of external connections allowed. The maximum number of connections is five INCLUDING the teach pendant. Reconnect the external connections in your system so that no more than five exist.
Related codes / Codes liés
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 →