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Microwave works with door open

I have a GE microwave. When I partially open the door (not fully open, just a crack at the top), the microwave will start buzzing. The buzzing stops if I close the door or open it completely. I did not open the door while the microwave is running. Does partially opening the door cause the magnetron to turn on and leak microwaves? (P.S. I think I only disengaged the top switch on the door when I opened up a crack.)

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Re: Microwave works with door open

If the top is open, the upper door switch should be open and the high voltage section should not be energized. That's the way it's *supposed* to work. But that buzzing is worrysome! Does the turntable turn during this condition? Does the inside light come on? How about the fan? If not, then I would doubt that it's cooking. If so, some models will do this. It's not uncommon to notice that the fan and light will try to come on for a split second when you shut the door. This would not indicate a problem. It has to do with the timing of the door switches and a replay on the board. If it's still under full warranty, it wouldn't hurt to call a GE-authorized servicer.

Posted on Nov 07, 2006

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  1. Open leverCheck your microwave lever to determine if it is damaged. If it is broken, simply replace the lever to get your microwave door fully functional again.
  2. Door springResponsible for keeping downward pressure on the door hook, the microwave door spring can begin to malfunction. If this part is broken and prevents you from opening your microwave door, replacement is necessary.
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  6. Handle actuatorIf the microwave door will not open the plastic handle actuator could be broken. Connected between the door button and the door latch assembly, this plastic part could become damaged and brittle over time, which makes breaking inevitable. If this occurs, replace the handle actuator to get your microwave fully functional again.

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If it's less than one year old, it would be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

GE Customer Service is here.

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