Question about Samsung MW1030WA Microwave Oven

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How do i change the fuse in my mw1030wa wave?

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  • 5,569 Answers

You didn't indicate what the problem is and it may not be a blown fuse causing it.
Things to check: make sure the outlet has power with another appliance; make sure that if the voltage is missing that it doesn't come from a tripped ground fault interrupter.
If these check out OK, pull the plug, remove the back panel to view the insides. Look for a fuse holder, remove the fuse and take it to an appliance repair shop or chain home improvement store for a replacement; buy two.
Replace the blown fuse and try it. If it blows a second fuse, the high voltage rectifier for the magnetron may be shorted. Keep the 2nd replacement fuse, but don't put it in until the problem is found.
This, you can only check with a simple multimeter, analog or digital makes no difference.
You can buy these handy items at Radio Shack, auto parts stores or a home improvement store. If you buy one, choose digital over analog.
They should NOT cost more than $20 and I have several for which I paid under $10, two of them only $3.
The diode can be in several different cases so describing them isn't better than a guess. They will normally be encased in black epoxy but can be square, rectangular, cylindrical.
Measure on the range marked with a arrow-like symbol with a bar across the pointed end.
If the rectifier (diode) is good, it should read about 500-700 on the display or something very high resulting in an overflow reading and the opposite when the lead polarity is reversed.
If you find one of these and it is bad, you will not likely find these in most stores since they are not used in many items, the microwave oven is the most common place they are used. They will normally have some kind of type number printed on the case and you need this for your search. There may be two groups of characters, one of them a 4-digit group (for example: 0532 would mean 2005, 32nd week) that is often only the date code and useless for the search. You can enter the number in any search window and probably find at least a couple of suppliers but many of them will have minimum charges.

Posted on Dec 12, 2009

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Posted on Jan 02, 2017

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1 Answer

My mw1030wa sparked several times and now has a hole burned in the wave guide cover..... can I replace it ??


That usually happens if food gets splattered on the cover; it turns to carbon and then causes sparks. Yes, it can be replaced. If it is difficult to find the part, you can get the material at an appliance parts shop and you can cut it. (Cheaper anyway).

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My is working with slow with out pressing any time


BASICALLY, the microwave works using magnetron for generating the MICROWAVE signal.
So if your system is slow the wave generated for any amount of power input and time will be less .This may be due to fault in your timing circuitry.
your MW became time independent,so the proplem lies there.
please contact service through Samsung, please submit an online service request through the link below, or call 800-SAMSUNG to speak with an agent who will be happy to assist you.

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Why don't I have any power


Most likely a blown fuse. Fuse is usaully located behind touch panel. You can test fuse with an ohm meter for continuity. Hope this helps

Dec 25, 2010 | Samsung MW1030WA Microwave Oven

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Our Samsung MW1030WA Serial # 7MAW804207L has started changing the dial readout. Not even being used the dial would change from the time setting to a series of 7 and beeps. 1st one 7 appears then a 2nd...


The "7" pad on your membrane keypad is shorted.

If and when an oven is coming on or doing anything by itself, this is very dangerous and can result in a fire.

So until it is repaired, please leave it unplugged or leave the door open when it's not in use, and of course one should never leave a microwave unattended while cooking.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

The keypad is part number DE34-00045H and you can order it here.

Otherwise, we do that for $39.95 plus parts. Feel free to contact us if you need more information or tips.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Aug 18, 2010 | Samsung MW1030WA Microwave Oven

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If there are no bangs or arcing taking place and simply the heating output is slow, then it would be a matter of replacing the magnatron. Once the micro cover is removed,the magnatron is that square module sitting half way up bolted on with 4 small screws. Quote the model on the sticker stuck on the MAG. and order a new one. Take care when replacing. Lage voltages present on capacitor.

May 18, 2010 | Samsung MW1030WA Microwave Oven

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I would advise you to return the wrong one for a refund if you've not already.

The proper part number is DE92-90189Z and a few places have it (see here) , even though it's considered no longer available.

Even though their price is higher, I would bet that Sears Parts Direct has it here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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GE Spacemaker XL1400 - lights underneith don't work.


Check power outlet and breaker , recock breaker .
Open oven fuse test both end , test power cord both, if those testing point okey , try plug power and test it .

Jan 17, 2008 | Samsung MW1030WA Microwave Oven

1 Answer

The panel doesnt work at all.


check the power fuse /if open replace it.
the door micro switch are open/ if open replace new

Jan 03, 2008 | Samsung MW1030WA Microwave Oven

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