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MICROWAVE OVEN, MODEL # MH3184XPS-4, QUIT WORKING! REPLACED ONE FUSE! IS THERE ANOTHER FUSE?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: R-4H84 Sharp Carousel II microwave oven stoped working

A microwave can be dead for many reasons.

The fuse is normally located on the floor of the chassis behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

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.

If it goes dead or blows the breaker when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jun 23, 2008

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SOURCE: Microwave oven ACO1860AS

just aquired one just like it for free. they said no heat. took the outer cover off. about 12 screws. pull the main fuse and test it with a continuity tester.thats probably not it if the lights work. its either the magnatron (toshiba 2m248j(gs) or replacement part amana 8205460. mine was a coroded magnatron connection.unplugged it and pluged it back in. heats fine now. if you left it on with nothing in it for any length of time you blew the magnetron. universal magnatron replacements on ebay are $25. 4 screws and a 2 prong connector.

Posted on Aug 28, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Dual Wave II microwave oven blowing fuse

It sounds like a shorted high voltage capacitor, a fairly cheap fix. But if it's good, I would suspect the high voltage transformer.

Here are some links you or a friend can use for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/cap_test.html
http://www.gallawa.com/microtech/xformer.html

There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

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

Posted on Sep 06, 2008

  • 1 Answer

SOURCE: Panasonic Model No. NN-S933BF Microwave Oven

could it be that i didn't follow the manuel because i got it second hand or is it because something is wrong with it,and i have to get it fixed.

Posted on Oct 21, 2008

  • 1214 Answers

SOURCE: Microwave stopped working while cooking. Is there a fuse?

If the display is not working, there is a fuse inside the cabinet. You will need to take the unit down from the wall and open it up.

Chances are, either the controller board has failed, or something having to do with the magnetron, transformer, diode or capacitor (the microwave circuit.). More likely it's the controller, as when the microwave circuit fails, the display usually continues to display.

ALWAYS REPLACE THE FUSE WITH A FUSE OF THE SAME RATING!

Posted on Jan 16, 2009

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1. Unplug microwave oven or disconnect power. 2. Open the microwave oven door. 3. Pry the choke cover away from the top door pin, and remove the top pin from the pivot bracket. Lift the door off the bottom bracket, and remove it. 4. Place the oven door front side down on a padded surface. 5. Remove the choke screws from the door frame. 6. Starting at the top right corner, pry the choke cover out with a putty knife, and unsnap it from the choke. Only remove the top, bottom and right sides of the choke cover at this time. You will remove the handle end of the choke cover later. 7. Starting at the top edge of the door near the center and working clockwise, use a putty knife, and pry the latching tabs of the choke out of the door frame slots. Lift the choke as you release the tabs so they do not snap back into the slots. NOTE: When you reach the handle side of door, pull both the choke and the choke cover away from the door frame, and then separate the two components. 8. To remove the door switch actuators from the choke, remove the screw from each actuator. REASSEMBLY NOTE: When you reinstall the door on the oven, insert the top pin into the pivot bracket and press down on the pin until it snaps into place

Read more: http://www.appliancepartspros.com/whirlpool-microwave-door-handle-w10246505-ap4418092.html#qa1#ixzz2qpA2P5CA
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Jan 17, 2014 | Whirlpool MH3184XP Microwave Oven

1 Answer

Microwave quit working no power everything quit working


use the next steps and fix it. test with the VOM. God bless you

1. No power to outlet (overload or fault in microwave or other appliance).
2. Blown main fuse - likely due to other problems.
3. Open thermal protector or thermal fuse.
4. Defective controller or its power supply.
5. Clock needs to be set before other functions will operate (some models).14f03872-81cf-492a-a958-5a445dcde206.gif

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My ge senor microwave oven model number wes 1450dn1bb quit working


Check the fuse. Bad? Test the door switches and replace the bad one and then the fuse.

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I have a whirlpool undercounter model # MH3184XPS-2 an has no power


On this model, this is usually a blown fuse or thermostat.

This model has three fuses, a 20A, a 4A, and a .25A and three cavity thermostats.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

mini_manual_behind_grille_small.jpgdee77f7.jpgAt our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Accessing the cavity thermostats for testing and possible replacement will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

If for some reason you don't still have yours, you can download Whirlpool owner's manuals and installation instructions here.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

If none of the fuses or thermostats are blown, then the problem is probably on your control circuit board, which is especially common if you recently had trouble with your cooktop lights or exhaust fans.

We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid with a one year guarantee.

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

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Yes, but chances are it is not the fuse. I just fixed an LG with the same problem by replacing a thermostat, that went bad. On this model the power goes through a filter and then 2 thermostats before it will power up the board. If you are not familiar with electronics and the unit is over 3 yrs old I would just buy a new one. my part was $4 but to have a tech replace it will probably cost you $100.

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Usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. When it blows, you need to have a qualified appliance repair technician replace it.

Door switch If the fuse isn't the problem, check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.

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