FANUC Alarm MHND-128 — WARN Could not save.VR file …
Manufacturer wording — WARN Could not save.VR file %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MHND-128 (“WARN Could not save.VR file …”): Error occurred while saving a.VR file First check: Cold start the controller and retry.
Updated 2026-09-17 · LogrobotLM reference
Description
Error occurred while saving a.VR file
Remedy
Cold start the controller and retry.
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 →