Question about Whirlpool MT4078SKB / MT4078SKQ 700 Watts Microwave Oven

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Now power when pluged into outlet

Getting no power when plugged into an outlet

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  • 144 Answers

Have you tested the fuse which may be faulty

Posted on May 17, 2014

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1 Answer

I have a 2000 23ft comfort travel trailer, it is pluged into electrical, all lights work, but I do not get any power from outlet plugs. I checked breakers & fuses, no outlets work.


On my trailer the gfci is a seperate button in the fuse panel that shuts down the 120v outlets, all the lights run off the 12v so they continue to work, does your microwave and ac work?

Mar 02, 2015 | Microwave Ovens

1 Answer

Sharp R-1870F Microwave Won't turn on


Could be just a fuse but probably the diode pack or magnetron.

May 24, 2017 | Sharp R-1870 Convection/Microwave Oven

1 Answer

No lights - Acts Like It Has No Power At All


see the diagram and pictorial and proceed with common sense:
1) test the fuse for open or band contact with VOM,see the diagram attached how to do it
2)check the switch door hook or door release button,when they are broken they do not touch the switch, and will NOT start. test for open
see the diagram
7_17_2012_12_56_50_pm.gif7_17_2012_12_57_31_pm.jpg7_17_2012_12_58_02_pm.jpg

Jul 16, 2012 | Microwave Ovens

1 Answer

Microwave model MMV5207BAW won't power up when pluged in. Outlet has power but microwave wont power up.


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.

Mar 14, 2011 | Maytag MMV5207BAW Microwave Oven

1 Answer

No power


No power at all? ... gotta ask, assuming it is a counter top model...if you plug something else into the outlet does it work? That way 'we' know there is power getting to the unit. If something else works in the outlet, (assumng a 2 outlet receptical in the wall) plug the microwave into the same outlet as the other item that worked. If still no power, you probably blew the internal fuse in the microwave.

That said, they are there for a reason, chances are there is another problem in the unit that needs to be fixed. An appliance repair man reently told me they are only expected to live 5 or so years anymore... pitiful....

Peace,

Mar 06, 2010 | KitchenAid Microwave Ovens

1 Answer

Will not heat


Begin by plugging something else into that outlet. If the outlet is dead you will have to check the electrical panel and either reset the breaker or replace the fuse.

If you have power at that outlet and the microwave just won't heat you are going to be better off getting a new one than paying for a repair.

Oct 02, 2009 | Microwave Ovens

1 Answer

I pluged the microwave in it was working and when I pushed it back and when I looked at it it waqs not working any moren mdl # is 87449 kenmore counter top microwave


Check the outlet it is plugged into. Remove the microwave plug. If you don't have a voltage meter handly to test the voltage at the outlet or the continuity of the microwave plug, I would suggest you plug in a lamp from your living room into the outlet. If it doesn't work, either the outlet is a tripped (GFIC) Ground Fault Interuption Circuit outlet or the circuit breaker tripped in your electrical panel box or the microwave cord is damaged and caused a short and blew the fuse. To check these I would try plugging the light in and press the red reset button located on the wall outlet or flip tripped circuit breaker in panel. If it's a damaged cord or fuse, you can visit this web site for Sears parts www.searspartsdirect.com If you found any of these suggestions helpful, please rate my solutions. Thanks D. Lange

Apr 23, 2009 | Microwave Ovens

1 Answer

Triping breaker as soon as it is plugged in. can anyone tell me what usually is the cause of this problem when as soon as i plug the power cable in to the outlet, it would trip the breaker? no power to the...


try pluging it in on another outlet with an extension cord must be a diffent cerciut breaker if it happens again the microwave has a short. if not its that breaker or outlet.

Mar 31, 2009 | KitchenAid KCMC155J Convection/Microwave...

2 Answers

No power- Outlet o.k.


open the housing, screws are on the back and sides. you can see some fuses there. check for continuity

Feb 18, 2008 | Maytag MMV4205 Microwave Oven

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