Good to know that you can do that, if need be.
So...still no progress on the oven?
Nope. :-(
He's taking out parts of it and taking it to a parts place and having each part tested. When he finds what doesn't work, he'll be able to replace it, it's just taking him a while...because he only takes one part out at a time.
And he's also working on his thesis! So it's mostly a time issue.