Question about Microwave Ovens
I have an older Kenmore gas stove The oven recently started making a humming sound while heating up The volume of the hum varies it is like a vibration noise Any idea what is causing this and how we can fix it
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Posted on Jan 02, 2017
Loud hum is usually due to faulty hv diod, resonance capacitor, or the magnatrone feed thru capacitor , chk it with a ohm meter , one by one n replace it .. zaheer Islamabad
Posted on Dec 31, 2009
Assuming nothing's loose (such as from past repair attempt) then it may be the magnetron failing.
Your best bet is to keep using but (as always) do not leave it unattended while it's running.
Then if things get worse in some way, that would be a harder failure that can be assessed more easily.
If you are close to the end of the warranty period (1 year parts & labor or 9-year magnetron, e.g.) I would not wait past then.
GE Customer Service is here if you would prefer service now and want to find your nearest GE-authorized servicer.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Oct 20, 2008
Hi,It is most likely the magnetron and diode that has to be replaced. This job should be done by a tech, High voltage. Magnetron's normally have a five year warranty, check your owners manual.
Posted on Mar 20, 2009
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