FANUC Alarm FXTL-044 — Variant type mismatch: T… U…

Manufacturer wording — Variant type mismatch: T%d U%d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FXTL-044 (“Variant type mismatch: T… U…”): The mechanical variant type specified in the cell data does not match the actual positioner for the specified tray and unit. First check: Correct the model files or the physical unit configuration.

Updated 2026-09-17 · LogrobotLM reference

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 →