How to clear error codes

[TownsendMike]

I have a John Deere 3320 that has error code 63. I know what it’s for but I don’t know how to clear the code

 

[CoyPatton]

A dirty way to clear codes in the auto industry is to remove the negative battery cable for several minutes.
I do not know if this works for JD tractors, but a no cost attempt.