I thought the horrible sqwawking noise couldn't be switched off? If you were to log on to the
manufacturer's web site, I think you will be pleasantly surprised as
usually one is able to download, by model number, Customer
Instruction Manuals, and a list
of Dealers as required. Just Google the manufacturer's name and
follow the links. Make certain you are directed to the manufacturer's
web site as some search engines direct you to other sites and they
charge for the information that is normally free of charge. I
hope this helps.
It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
YOUR
SAFETY IS PARAMOUNT
This is a job for a professional but if
you are safety clued up, here's instruction.
Make sure the !!!!any
capacitors are discharged!!!!! before attempting any sort of
repair.
Check the door interlock switches first then the high
voltage diode with either an AVO model 8 or moving coil meter on high
resistance range for short circuit, (DVM's won't show the fault!),
the capacitor can fail and go short circuit, the feed fuse on the
primary of the high voltage transformer and then finally, the
magnetron is best checked by substitution.
Hope that helps.
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