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Microwave has no power. e.g. no display, no response, no light inside. nothing.
House circuit breaker is fine...switched it off and on to verify. Nothing.
I went ahead and ordered the 4010 fuse listed in the parts area of this site.
Any advice if that was correct and where the fuse is inside? Back by the cord or elsewhere? Precautions in replacing?
(I have not looked at the back of the microwave yet as it is 'built-in' to our cabinetry)
thx
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Originally Posted by: SpartanGA  Microwave has no power. e.g. no display, no response, no light inside. nothing.
House circuit breaker is fine...switched it off and on to verify. Nothing.
I went ahead and ordered the 4010 fuse listed in the parts area of this site.
Any advice if that was correct and where the fuse is inside? Back by the cord or elsewhere? Precautions in replacing?
(I have not looked at the back of the microwave yet as it is 'built-in' to our cabinetry)
thx Spartan, A good guess and place to start. I'm sure you know you'll need to remove the unit from the wall cavity, once it's out and down, you'll need to remove the outer cabinet of the MW. DO NOT reach into the component compartment, until you find and discharge the capacitor Part number: AP4295779
Touch across the two terminals with an insulated screwdriver, so you remove the high voltage build up in it. If you don't you could get hurt, badly. Before, you install the new fuse, I usually check the door switches and wiring and make sure the switch mount bracket is properly aligned and tight, If you have any more questions, or need assistance, Drop us a line, we're here to help. :) :) :)
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Rank: Member
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Joined: 1/27/2011(UTC)
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GREAT info on the capacitor. Thanks.
I will let everyone know the results/status in this thread.
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Rank: Advanced Member
Groups: Moderators
Joined: 7/14/2010(UTC)
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Originally Posted by: SpartanGA GREAT info on the capacitor. Thanks.
I will let everyone know the results/status in this thread. Great, Please be cautious and careful, Thanks, :cool: :cool: :cool:
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Rank: Member
Groups: Registered
Joined: 1/27/2011(UTC)
Posts: 10
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Ok, I received the part and managed to get the microwave open (those security torx screws are fun).
I replaced the fuse, but the microwave is still dead. No lights, no display nothing. No noise etc.
How could it be completely dead? I tried different outlets as well to verify it was the microwave.
Any other simple solutions or do I go buy a new microwave?
thx
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Rank: Advanced Member
Groups: Moderators
Joined: 7/14/2010(UTC)
Posts: 5,222
Was thanked: 1 time(s) in 1 post(s)
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Originally Posted by: SpartanGA Ok, I received the part and managed to get the microwave open (those security torx screws are fun).
I replaced the fuse, but the microwave is still dead. No lights, no display nothing. No noise etc.
How could it be completely dead? I tried different outlets as well to verify it was the microwave.
Any other simple solutions or do I go buy a new microwave?
thx Spartan, Did you check for 120 VAC on both sides of the fuse holder connections ? The next test would be the oven thermal fuse. Part number: AP2024352
Located on the top of the oven cavity near the stirrer motor, That has to be a closed circuit, or 120 VAC on each side of the cut out switch to chassis ground. Also, check for a similar component attached to the magnetron, and check for a closed circuit on it as well. If either of these are an open circuit, you wont have a power circuit to any component in the control panel or high voltage side of the circuitry, Replacing the unit, of course, is a decision you have to make, But , at this point, it may be as simple,and inexpensive as one of these components. :) :) :)
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