We've had our microwave a few years now and I've noticed that it's
started to get a few rust spots under where the glass plate sits. (It's
a Sanyo so not like it's a cheapie make)
Is this usual?
I don't use it very often but does anyone know if it's still safe to
Have posted this from elsewhere - promised to ask if anyone can help.
Thanks in advance
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If it is just surface rust and can be cleaned off, then do that plus
paint it. If it is flaking and thin, then the danger is of poor RF
connections to the rest of the case. As such it will be liable to
arcing and if bad enough, leaking microwaves to the surrounding area.
I suggest you leave the door slightly open after use to allow
moisture to escape after use. Microwaves end up with a piece of
hot steaming food in a relatively cold oven (unlike a conventional
oven), so the oven tends to get covered in condensation. Ovens
usually blow the waste heat from the magnetron through the oven
too which helps, but that stops when the microwave stops, and
doesn't give time to dry out the oven.
If you were having it PAT tested, rust in the oven lining would
normally be a test failure. If you want to carry on using it, I
would use something like a drawing pin and check you can't push
it through the metalwork, and recheck every couple of months.
If/when the metal is perferated, you should dispose of the oven
and make it inoperable.
It might be Sanyo, we had a Sanyo one and the paint came away underneath
the glass plate - it was where the wheels rubbed i think.
Yes, I did try painting once but the problem arose again shortly.
So I gave up on that., we carried on using , eventually the amount of
rust got to much for us and we bought a new one, with a stainless
interior, which doesn't have to add anything to the cost nowadays.
Sharp are no better IME (we bought two at the same time, one for us, one
for my sister) and both were rusted to f*ck within 2 years.
Ours has been replaced with a Panasonic - much better overall, and it
even gave the wife a laugh when I went to set the clock - the display
just kept scrolling "read the manual" every time I tried :-p
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