Question about Polaroid Microwave Ovens

1 Answer

Polaroid 04011c tv was tuning itself off and on then shut off and shows no signs of power since.

Outlet cord is fine fuse is fine wall outlet is fine. My question is : is it most likely the power supply board or something else?

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  • 101 Answers

It is power supply board only as no power indicator is operational.

Posted on Mar 05, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9156 Answers

SOURCE: Microwave oven shutdown by itself, outlet has power

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven 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 TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

The TCOs you need to be concerned usually with have all black or white wires only. Please reply with photos of your interior if you have questions.

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 (or GFI) 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.

There should also 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.

If yours is not there, Please reply back with your brand and model number so we can help you.

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

Posted on Oct 08, 2008

  • 234 Answers

SOURCE: when I plug my microwave into wall outlet sparks

Well, the breaker has trip,but the microwave must have a short in it.Go turn turn back on and don't plug the microwave back into it to see if everything works.

Posted on Mar 14, 2009

arjoon
  • 113 Answers

SOURCE: Our Maytag microwave died. The outlet has power.

you have to remove the cover, un-plug the power cord=
un-screw the screws located behind the unit and on the sides if any also under side if any, remove cover and you will locate the fuses and other components behind the key pad, also check slow blow or thermal fuse usually located on top of oven. NB: HIGH VOLTAGE COMPONENTS PROCEED WITH CAUTION!!!!!!!

Posted on Mar 25, 2010

kel1guy2002
  • 3740 Answers

SOURCE: GE JE1160 1100 Watts Microwave Oven seems to have

Hi and welcome to FixYa, I am Kelly

Often it is a simple part replacement. There are 4 parts that can usually cause this.
- The Fuse fails as a result of another component failure
- The most common failure is the power diode. You remove the chassis to gain access and then make sure you hold a screwdriver by the HANDLE and ground the large capacitor at least 3 times across the terminals. Then you can check the diode by using an ohm meter across the terminals. It should read continuity in one direction only. (reverse lead polarity) If it reads in both directions OR there is no continuity then the diode has failed.
- Next you test the high voltage capacitor by reversing the leads and watching each time for a jump in resistance then the meter returns to infinity. (Diode must be disconnected) No jump in resistance after reversing the test leads or constant resistance = bad capacitor.
- Lastly the Magnetron could have failed. You read resistance of the leads of the Magnetron with one lead disconnected. You must read resistance. No resistance = bad magnetron

I used model JE1160WD001 as an example since you did not include a complete model number. However, the parts I am referring to are common to all JE1160 models.

All parts except the fuse can be found here:
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=212857

The fuse should be a 15 Amp 125 VAC Slo-Blow Fuse. Available at any hardware or Appliance parts source.

A failed door interlock switch will cause the fuse to immediately fail if the micro-switch fails in the door open position.

This is a pretty simple microwave and you should be able to bring it back to life. Just keep in mind repair parts costs vs replacement if you have failed magnetron.

Thanks for choosing FixYa,
Kelly

Posted on Jan 22, 2011

MicrowaveSvc
  • 9156 Answers

SOURCE: I have GE Advantium 120 SCB1001 Microwave Oven. It is plugged in, outlet has power, but nothing comes on at all.

There are TCOs (thermal cutouts) which also can fail or blow, resulting in "no power" conditions.

All but one of them should be accessible without taking the oven from the wall.


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


The full service manual is here.

You can find helpful exploded views and order GE parts here.

BUT there is one TCO which has thinner wires of a color other than black or white. This is the hood TCO and should read "open" or "infinite" which is correct.

All other TCOs should read shorted or virtually zero ohms on a continuity test, as should the fuse.


The cavity TCO is only accessible by removing the oven from the wall, then taking off its outer cover.

When taking the oven from the wall, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.


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

Posted on Jun 08, 2012

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