Question about Microwave Ovens

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My fan and light do not come on anymore.

I don't know where the are fuses that I can check and replace them to see if that is the problem.

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  • Microwave Ovens Master
  • 2,963 Answers

Are you sure you have power in the outlet? Check with another appliance or light. Or try another outlet.
If you want to DIY, I recommend a repair manual from
manualslib.com You will want it next time anyway.

Posted on Apr 07, 2015

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JES1290SK No motor or inside light when turned on. Display works. Light works until turning on unit.


please see the steps and fix it. God bless you
  1. Inspect the power cord Unplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switch If your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fuses To determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motor Locate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

Nov 27, 2013 | GE JES1290SK 1.2 Cu. Ft. Countertop...

1 Answer

Not turn off


follow this test and fix it. God bless you
  1. Inspect the power cord Unplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switch If your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fuses To determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motor Locate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

Nov 23, 2013 | Whirlpool MH3184XP Microwave Oven

1 Answer

Light doesn't go off and microwave doesn't work


follow this steps and fix it. God bless you


  1. Inspect the power cordUnplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switchIf your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fusesTo determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motorLocate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

  1. Light bulbIf your microwave light bulb is not working, perhaps it has blown. The first step is to replace the bulb and power on the microwave. If this does not correct the issue, the next step is to check the socket and wiring to verify if that is the problem.
  2. Light bulb socket & main control boardIf your microwave light bulb is not working after the installation of a new bulb, check the light socket as well as the wiring to ensure they are properly operating. If these sources are functioning properly, the next step is to check for a faulty control board as a possible root cause to your microwave light bulb malfunction.

Nov 14, 2013 | Sharp R305KS Microwave Oven

1 Answer

No power


make this test and fix it. God bless you


  1. Inspect the power cordUnplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switchIf your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fusesTo determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motorLocate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.
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Nov 05, 2013 | Whirlpool MH3185XPS Microwave Oven

1 Answer

My PVM2070SM1SS doesnt turn on or set clock but controll pad lights and exhaust fan and lights work secondary switches seem fine along with the 2 fuses can you help?


follow this steps and fix it. God bless you

  1. Inspect the power cordUnplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switchIf your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fusesTo determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motorLocate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#1#ixzz2aSlPzBdA
http://www.appliancepartspros.com

Jul 28, 2013 | Microwave Ovens

1 Answer

R-820js wont heat


see this causes and fix it .God bless you
f the microwave will not work at all, make sure power is on at the outlet and test the electrical cord. Test the fuse and replace it if it is faulty. Also check the door to make sure it closes properly. Test and, if needed, replace the fan. If the oven doesn't cook or cooks only intermittently but the display is on, check the door interlock switch, the thermal cutout (see the Applaince Controls Fix-It Guide), and the fan, replacing parts that don't pass the test.
If the oven keeps blowing fuses, check for a faulty door interlock or monitor switch.

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Oct 02, 2012 | Sharp R820JS 900 Watts Convection ...

1 Answer

Panasonic microwave NN-S666BA


No! the main fuse is okay because you would not have any power. I would check all door switches because they control light, fan, and turntable. If you are handy with a meter, set to ohms, disconnect one wire on side of switch, use meter to test, readings should show open/short when pressing the button and releasing it, replace wire to switch and repeat, if you hit one with the same readings pressed in or out, change the switch.

Mar 06, 2012 | Panasonic NN-S666BA Microwave Oven

1 Answer

Model is GE JVM1430BD002. Microwave works but range fan and lights do not. Unit "popped" when fan was turned on one time and hasn't worked since. Is there a fuse or breaker for the range hood functions?


Yes - there is an internal "special" in-line fuse. Most likely it is the fan that has caused it. Clean the fan with switch-cleaner spray and make sure it is smooth running. Replace special fuse with identical version.
Check lights before operation.
Replace all covers before test.

Oct 10, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Doesn't "nuke" anymore


Unplug it. Take off the metal cover. Look for a fuse. Probably blown, replace it with same size. If it blows again, scrape it.

Sep 14, 2009 | LG MS-0744Y Microwave Oven

1 Answer

Where is the fuse located


It would be helpful if you could reply back with your brand and model number, but I can give you a good answer without it.

First of all, this won;t be a problem with the fuse. When a microwave's fuse blows, the unit will be dead.

This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

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

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

If yours is not listed, please reply back with your brand and full model number.

If you think the problem is on the control panel, which we repair these nationwide by mail for $39.95 postpaid.

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

Mar 25, 2008 | Microwave Ovens

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