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Default Diagnosing/repairing an oven

Ben Blaukopf wrote:
I've been given a built in oven (electric). I wired it up last night, turned
it on,
and promptly tripped the RCB for the flat. It now appears to be electrically


Do you mean RCD or MCB? If it tripped the RCD that may well be par
for the course until it's heated up properly and dried out the
elements so the leakage reduces to an RCD-non-tripping level.

Oven elements are well known to often be marginal as regards leakage
and even 'good' ones can sometimes trip RCDs.


dead - that is, supplying it with power doesn't even trip anything. Which
suggests
the fault lies there. The switch unit on the wall still provides power out
of the
socket, so I'm assuming I haven't blown anything there (does a cooker unit
have
its own fuse?). It is, of course, on its own 30A circuit

It's odd that it now doesn't work at all, usually ovens are pretty
simple things. Does it have all sorts of clever automatic timers
etc.? If so it may well be that you have to press seven buttons at
the same time and stand on one leg to get it out of some mode where
you can't get the oven to turn on.

--
Chris Green )