Question about Microwave Ovens
PROBLEM: only during the microwave function, the unit makes loud "buzzing" noise 1 to 2 seconds after start up. All other functions work fine...other than buzzing. No sparks or other abnormalities.
The unit heats items in a normal time range, ie, nearly boils a cup of water in 1 minute.
There is NO abnormal noise while convection bake or broil is used.
As stated, other than the "buzzing or rattling" noise, the unit seemily works fine.
The unit is "new" (no warranty, bought as is) so there is no recourse with manufacturer.
Any insights welcome.
The noise is probably from the high-voltage transformer. When it
is overloaded, the excess magnetic field it produces vibrates its wire
coils. Odd that it only happens for a brief time. It is
either defective itself (in which case it may go a long time) or it is
getting overloaded by the magnatron/capacitor/diode on its output (in
which case it will get worse shortly)
Hope Ya Fix it
Posted on Jan 08, 2008
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Posted on Jan 02, 2017
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