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FANUC Alarm LANG-006 — WARN Invalid or corrupted TP file

FANUC LANG-006 (“WARN Invalid or corrupted TP file”): A when loading.TP file, invalid data was found. First check: Generate (using SAVE, with $ASCII_SAVE = FALSE) and load a valid.TP file.

Updated 2026-09-17 · LogrobotLM reference

Description

A when loading.TP file, invalid data was found. This may occur if a.TP file has become corrupted or if some other type of file e.g., a.PE file, has been copied or renamed to a.TP file.

Remedy

Generate (using SAVE, with $ASCII_SAVE = FALSE) and load a valid.TP file. Note: An existing TP program in the controller might have been corrupted as a result of your attempt to load the invalid file. You might have to reteach the teach pendant program, before you save it as a.TP file.

Related codes

LANG-004WARN File is not openLANG-005WARN Program type is differentLANG-014WARN Program already existsLANG-015WARN Can not write file

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 →