Onkyo TX‑NR515 Error Codes: List of 3 Codes and Their Meaning

This is the list of error codes the Onkyo manual gives for the TX‑NR515 Onkyo AV receiver. Find your code below and open it for what the manual says about its causes and what to do.

Error codes from p. 84

Code	What it means	Page
`-10`	The USB device was not detected	p. 84
`-20`	The USB device was not detected	p. 84
`-14`	The firmware file was not found in the root folder of the USB device, or the firmware file is for another model.	p. 84

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Onkyo. Found a mistake? Report an error.