The screws which fix the magnetron loosed
The wave guide connection oxidized
The magnetron copper filament washer is
too thin cause the wave guide opening not
in good
Tighten the screws
Scrape the oxidized and
tighten the screws
Thick the copper filament
washer
9. The door can't open
using, the wear and the rust
-eaten eniarged the gap of the door shaft
and the shaft hole, thus cause the door
crooked.
The door hook broken.
Adjust the hinge to
the
position of the door.
Change the hook.
10. The door release
button
Worn out and aged
long time
operating
it or renew it
Electricity leaking
The
insulation resistance of
the
motors or the transformer
less than 2
megaohms.
Test where is the leaking
place, then repair it or change
those damaged components.
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