On 2/13/2013 12:09 PM, KenK wrote:
Several weeks ago I turned on my oven to preheat it. Some 15 minutes later
I returned and it was cold. I finally checked the 40 A double-breaker and
it was tripped. I reset it and the oven worked ok. I've used the oven since
several times with no problem Can I stop worrying about it? I've never had
a breaker trip like that for no reason before.


"Stuff happens" occasionally...perhaps there was a transient at the same
time or somesuch.

I'd suggest next time the oven is on and nearing end of a heating cycle
so has been drawing power for a while to go feel the breaker and make
certain it's not warm to touch--if not, I'd give permission to stop
worrying.

If is, check connections (throw main feed breaker before removing cover,
of course) for tightness and consider replacement...

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