Question about Frigidaire Microwave Ovens
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Posted on Jan 02, 2017
SOURCE: Microwave keeps blowing fuse
If it blows the fuse as soon as you hit the START button, it's almost certainly a shorted high-voltage capacitor.
If it blows a few seconds after you hit the START button, it's probably the high-voltage transformer. You'll possibly also smell a faint electrical burning smell from the rear vent after you shut if off.
If it blows the fuse as soon as it's plugged in, you probably have a shorted door switch, a shorted varistor, or an internally exposed wire shorting to the chassis, etc.
Posted on Nov 19, 2007
SOURCE: Microwave keeps blowing fuse
If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.
If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.
Here are some links with info on part testing:
You can usually find helpful exploded view diagrams and order parts by
entering your full model number here: http://tinyurl.com/gv383
Please write back with your brand and model number if you need further help.
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Posted on Jan 13, 2008
SOURCE: microwave blowing fuses
Sanyo isn't that great of a manufacturer.. I had a microwave from them a few years back that did the same thing.. The wiring inside the microwave is shot.. if you were to open it up, you'd probably see some burnt wires from a short. If you use the microwave over a range, it may be because of grease build-up...
anyhow, its better that you invest in a new microwave, rather than fix it. It will be much more cost efficient
Posted on Jun 02, 2009
That would be a bad primary interlock (bottom door switch) or its mount may be, loose, cracked, or misaligned.
We have the service / repair manual for this model and have uploaded it to our site here for free download to help you.
It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.
If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.
Even though a door switch clicks, it may still be bad inside.
Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.
There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.
The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.
Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.
If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Aug 09, 2009
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