FANUC Alarm FILE-055 — WARN MC not detected
Warning- Hardware
- storage media
- Controllers
- R-J3iB / R-30iA
- FANUC class
- WARN
FANUC FILE-055 (“WARN MC not detected”): Either the Memory Card (MC) is not properly inserted or the Card that is inserted is not a Memory Card type (SRAM or Flashdisk) First check: Either insert a MC or exchange inserted card with a MC
Updated 2026-10-22 · LogrobotLM reference
Description
Either the Memory Card (MC) is not properly inserted or the Card that is inserted is not a Memory Card type (SRAM or Flashdisk)
Remedy
Either insert a MC or exchange inserted card with a MC
Field diagnosis
The memory card is incorrectly inserted or is not of a supported type (SRAM or flash).
What to check
- Insert a compatible card or replace the card.
- Note: Not all recent high-capacity cards are recognized by older cabinets.
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 →