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Re: My Emerson MW8115
Hopefully it was not an unheated storage area!
Moisture and contamination can get into the controls from condensation due to big changes in air temperatures in areas like unheated storage units or garages.
That being said, the most common causes of a failure to heat are in order:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem with the control unit
- bad magnetron or other high voltage part
At our site, we have critical safety information, info on door switch diagnosiss and replacement, and disassembly information.
You can find us via our listing here on FixYa: http://tinyurl.com/yzjozk
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Pressing the Clear/Pause button works. Sometimes. Most of the time, about a microsecond after pressing Clear/Pause, it goes right back to def1. Most of the time, pressing ANY button doesn't work. Usually takes me 10 to 20 tries to get anything to work. My microwave is about 3 months old. I will never buy Emerson again.
It is inside the outer shell of the microwave, remove the outer shell to access the bulb, the srews that hold it on are on the back of the oven. You will need to disconnect power of course and do the work in an area that alloes you access to rear of the oven.
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Replace the fuse with a ceramic fuse from Home depot! costs less than $3 and it will fix the problem. I had all the same problems as everyone else, you name it my microwave had it! you must remember replace it with a ceramic fuse! not a glass one. I know people say its the switchboard and all that nonsence but I promise you, the fuse plays a majoe roll in the microwave not working properly. Even though it doesnt look broken, a junky fuse can cause your appliance to do very strange things. I replaced mine 6 months ago and it works like its fresh out of the box.
I bought my emerson microwave 3 years ago model# mw8115ss from walmart and have had all the problems that everyone has talked about and I thought about throwing it away until I thought about one small detail, the FUSE. China uses junky glass fuses that burst instantly with a slight power outage, door slamming to hard, moving it around, and of course constant use like myself always heating up water for bottles. I took the back of the microwave off and walla!!! a blown fuse, but wait!!! dont buy another glass fuse!!! go to your local home depot and get the ceramic fuse for microwave ovens!!! they are $2.83 at my local home depot. I replaced the junky glass fuse with the ceramic one and it has worked perfectly for six months now.
DONT let someone tell you that you cant replace a glass fuse with a ceramic one because they are full of boloney. My microwave did all kinds of things, it wouldnt turn sometimes, it would come on by itself, it would beep for no reason, turn but not heat up, you name it I had the problem. When a fuse starts to go out it can make your appliances do some strange things, check the fuse and replace it with a CERAMIC one and I promise it should eliminate your problem.
hi your door has hooks which activate switches.one of the switches is called the monitor switch .the purpose of this switch is to close the mwave circuit[complete the circuit] indicating your mwave is safe for use.at present your mwave circuit is open therefore your functions arenot working .check if door hooks are making contact with the switch ,check if the swith is testing continuity.ihope ihave been of assistance let me know cheers