FANUC Alarm FILE-076 — … invalid sector size …

Manufacturer wording — %s invalid sector size %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FILE-076 (“… invalid sector size …”): The device has an invalid sector size and can not be used by the file system. First check: Try a different device.

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 →