The problem is that the probe wire doesn't like much heat and melts.
I used one in my oven (through the door) and it went out in a few
minutes. The heat (350) and the pressure of the door seal did it in.
When you buy one check the heat range on the package.

wrote:

> Anybody have a clue why these probes give out? I've been through 2,
> the last one gave me about a year of dedicated service, so I'm not too
> upset, I just wonder if anything can be done to extend its life. The
> cost of replacing the probe approaches what purchasing an entire new
> unit costs, which is irksome.
>