When you view the error history by going to "Settings -> Support" and then "Error History", it gets error codes in error history up to 10 error codes in Nintendo Switch. See video and image.
In October 18:
How to View the Error History in Nintendo Switch.webm
In October 20:
When you view the error history by going to "Settings -> Support" and then "Error History", it gets error codes in error history up to 10 error codes in Nintendo Switch. See video and image. In October 18: How to View the Error History in Nintendo Switch.webm In October 20: