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No Power - Emerson MW8773SL Microwave

Suddenly, my 2-yr old microwave stopped working. No power at all - no display, no light inside when the door is open and none of the switches work. Some power outlets in the kitchen are also not working. I connected the microwave to working outlets - but problem persists. Similar problem one year back - took to a service agent and some part was replaced. Since then, no issues. Works very well.

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  • samshah1981 Dec 17, 2008

    Same problem with me..is there a step by step guide which would help me to replace the fuse ?

    Would appreciate the help

  • sailajap16 Dec 17, 2008

    I just bought an Emerson microwave oven 6 mnths back,it was working fine till today...it just stopped working ..and lights and the buttons are not working tried it at differnt plug points

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LOOKK FOR FUSE UNDER SCREWED IN PANEL!

Posted on Dec 10, 2008

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1 Answer

Turns on when door opened


There is an power interlock inside the oven that breaks the power connection to the magnetron when the door is open. Most likely, something is stopping the switch from opening.

Check for a small plastic probe on the door that may have broken off inside the oven keeping the circuit made. Otherwise, open the oven and see is some foreign object is keeping the connection made or if the interlock needs to be cleaned out so it can function.

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Emerson manual guide microwave model Mw8779w


Here is a link to a website where it looks like you can download a pdf of this manual.

http://kitchen.manualsonline.com/manuals/mfg/emerson/mw8773sl.html

Jan 12, 2014 | Emerson MW8168B Microwave Oven

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I have a 20-yr-old microwave--a kenmore 565.8824581--that just suddenly stopped working. no lights, nothing. offhand do you think this might be a fuse issue that is fixable, or would this simply warrant...


Dead appliance, power on wall outlet.

YOUR SAFETY IS PARAMOUNT!

Attempt this only if you are competent.

If your appliance has absolutely no functions at all, remove it from the mains supply, remove the case and see where the mains lead goes in to the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps.

Jan 21, 2011 | Microwave Ovens

1 Answer

I have a 2 yr old emerson microwave. I was heating soup, and it just shut off after 2 seconds. It's not the outlet. Is there a fuse I can check, something cheaper than buying a new one?


If your appliance has absolutely no functions at all, remove it from the mains supply, remove the case and see where the mains lead goes in to the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps.

Dec 30, 2010 | Emerson Microwave Ovens

1 Answer

RCA Model RMW700 micorwave 1 yr old stopped working. No power, yet the outlet is live. No power to the display, no light inside, just dead. Stopped working when heating cold cup of coffee.


There is a fuse inside the cover of the microwave. You will need to remove the outer shell and follow the power cord you will see an inline fuse. This fuse can be purchased at any appliance parts house.

Hope this helped

Dave

Jan 19, 2010 | RCA Microwave Ovens

1 Answer

Emerson microwave mw8773sl has no power, no lights


Make sure that a lamp will work in the outlet powering the microwave. If ok, remove the case (with the plug pulled), and look for a tripped breaker or blown fuse. If found, check for a shorted high voltage diode in the magnetron power supply. It may also have a shorted stirrer bearing located above or beside the cavity where the microwaves come into it. The stirrer is a metal fan-like device that scatters the microwaves to get more even heating and has a plastic bearing that arcs internally causing a microwave short. Replace the stirrer unit.
If no fuse or breaker troubles, look for faulty or loose micro-switches around the door latch mechanism.

Aug 23, 2009 | Microwave Ovens

1 Answer

Emerson Microwave stopped working


Have 1 of 2 choices, the main fuse or the control board for the front switches and clock. primary of the small power transformer has opened. Unplug the unit and take case off and measure the fuse with an ohm meter. if u read 1 ohm or less then fuse is good. then measure across the main power plug tips. If read open then the power transformer is bad. Need to replace the board as not sure if transformer is available.

Jul 26, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

Microwave was working fine. Suddenly stopped.


First thing to try is to check the power point.
If there is power there, but still no activity when you turn it on, no display no lights, it will need to be taken in for service. Sorry for the bad news but hopefully it's just the circuit breaker for your power point.

Apr 26, 2009 | General Electric Microwave Oven

1 Answer

EMERSON MW8773SL


Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk If it's NOT a bad door switch, it may be a stuck relay or other problem on the control panel / circuit board. We repair these control panels nationwide for $39.95. For details on the repair service, see our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

Mar 23, 2007 | Emerson MW8775W Microwave Oven

2 Answers

My microwave has stopped working and switched on suddenly!!


Sounds just like a bad door switch or door switch mount. Probably the upper one. Safety info, disassembly tips, and door switch test and replacement info are all available at our Web site. See http://tinyurl.com/yzjozk

Jan 14, 2007 | GE JVM1660 Microwave Oven

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