alt.energy.homepower

In article < $ @ >,
"Jim" wrote:

> "David Williams" < @ > wrote in message
> news: @ ...
> >-> Hey John,
> > -> I've got a Panasonic microwave that popped the internal 18A fuse
> > last
> > -> night; went troubleshooting this AM w/a new 20A fuse and the first
> > thing I
> > -> noticed on this little jewel, rated 120V 12A, is that it is drawing
> > -> 1950-2000 watts per my KAW!
> > -> Any ideas other than saving a few parts and buying a new one?
> > -> jim
> >
> > Could it be leaking microwaves that are messing up the KAW?
>
> It rises pretty quickly from 700 to about 2000 watts (5 seconds) and
> maintains that draw; plus the case was completely reassembled to shield
> everything, and it =did= pop the 18A fuse. 20A is the =only= size the local
> repair shop handles. The thing is rated to draw 1400 watts, you'd think an
> extra 600 would be very noticeable somehow.....
> This is the same MW I fixed several months ago by locating a snap
> connector inside that had been pushed together but never properly locked in
> place, so it had wiggled loose. I snapped it together properly and it has
> worked perfectly since.
> I'm stumped.
> Jim
> >
> > dow
>
>

Very Likely you have a very lossy Magnitron, that is Double Pulsing,
and MultiModing. This is a common Failure Mode in SBand Magnitrons
that are approching MaxTubeLife Hours.

Bruce in alaska
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