FANUC Alarm TG-004 — WARN Bad Command Value
FANUC TG-004 (“WARN Bad Command Value”): Motion trigger has been told to set a I/O port to a value which that port cannot be set to. First check: A digital port must always be set to 1 or 0.
Updated 2026-08-29 · LogrobotLM reference
Description
Motion trigger has been told to set a I/O port to a value which that port cannot be set to.
Remedy · Remède
A digital port must always be set to 1 or 0. You must set the corresponding command_value to a 1 or 0
Frequently asked · Questions fréquentes
- What does FANUC alarm TG-004 mean?
- FANUC TG-004 (“WARN Bad Command Value”): Motion trigger has been told to set a I/O port to a value which that port cannot be set to.
- How do you troubleshoot FANUC alarm TG-004?
- A digital port must always be set to 1 or 0. You must set the corresponding command_value to a 1 or 0
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 →