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Repair and disassembly guides for GE Microwave ovens.

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The top door switch starts to fail.

I am also experiencing a similar issue. The top door switch starts to fail. At first the turntable and cooling fan continue to run if the door is open. (They are normally off with the door open) Then shortly thereafter, when attempting to cook, the magnitron will not work but the timer counts down like normal. The top switch is not melted but it appears that the button return spring has failed and the switch is stuck in the closed position. I'm about to replace this switch for the fifth time.. Good thing I bought a 12 pack from Amazon!. Any thoughts on the root cause of this issue?

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HI @Bocellidad

If it is a mechanical problem with the switch (was the switch casing fractured etc at all, jamming the spring?) and not electrical and if all the previous replacement switches were from the same source (manufacturer) I'd be looking at changing to a switch from a different manufacturer.

Search online for (insert make and model of microwave oven) parts to find more appliance orientated suppliers of parts for the oven and check their prices for the switch, e.g repairclinic.com, searspartsdirect.com, partselect.com or appliancepartspros.com

It may be a case of you get what you pay for, if the parts suppliers’ switches cost more than those bought from Amazon.

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