warning Dual

Error Code NO FILE

No playable MP3 files found on the USB device.

? What Causes This

The connected USB device does not contain valid MP3 files or the files are not in a supported format.

How to Fix It

  1. Check the USB device for valid MP3 files.
  2. Ensure files are in MP3 format.
  3. Try a different USB device with known valid MP3 files.

Source: page 11 of the official manual

From the manual

Manual page 11 — Dual error NO FILE

This error code appears in:

Dual XDM17BT Digital Media Receiver