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No microwave heat on model no HJA7010 Only 2 years old very lightly used. The grill ssems to be working

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: Microwave does not heat

Just had the same experience with the identical model. Removed the cover (a challenge because of the security screws), revealing valuable troubleshooting directions intended for an experienced technician. However, I think the info is well within the reach of a typical DIY person, does not require any dangerous power-on conditions. However, make sure that you discharge the HV capacitor before trouble shooting. In my case, it appears that the HV diode is open, have ordered a replacement on the internet for $3.18, easy to replace. Hope it works. Good luck.

Posted on Jul 14, 2007

SOURCE: GE Spacemaker XL1800

check conrol circuit, and magnetron, and highvoltage section,

Posted on Nov 04, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Covection Oven/Microwave stops after 1min on any setting

This 59-second stop failure is due to a problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.

The damper is a door inside that opens or closes depending on cooking mode. If the controller thinks that the door is not in the right position, it will shut down the cook cycle.

See the attached sample photo.

If you or someone you know wants to look into this, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

We even have a video on our site that shows you how to safely & easily remove the control panel assembly to send it for service.

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

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Posted on May 09, 2008

  • 140 Answers

SOURCE: GE less than 2 year old microwave runs, doesn't heat

The problem you are having is that the magnetron that actually does the heating has gone bad. The fact that everthing works fine rules out any type of bad fuse since there is only one 15amp ceramic fuse in most cases in the unit itself. The magnetron is located behind the control panel on top and has some cooling fins on it. Replacing it if you are a do-it-yourselfer is pretty easy provided you can find one at local electronic supplier or on the internet such as www.mwoparts.com if you would like to see what it looks like. It is held in place with typically 4 screws. It has two to three terminals depending on make and model and age. With everything unplugged it comes off easily enough with no desoldering or soldering to do. There is a High Voltage Capacitor and Diode that could be bad also, but without being able to check it in person it would be difficult for me to tell that they are. In my experience the magnetron is the first thing I replace and have never replaced a capacitor or high voltage diode in the past 20 years. Good luck and God bless.

Posted on Jan 23, 2009

  • 1 Answer

SOURCE: Microwave turns on and counts down but won't heat up/cook

Ok just figured this out! It is a problem with the alignment on the lower door switch. I took the cabinet off and lifted up on the door switch slightly and voila! It works. You could probably fix this without taking it apart, just lift up on the door ever so slightly. I hope this works for you.

Posted on Mar 06, 2009

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GE Sensor Microwave Oven made in 2008 doesn't heat up food


If you do not have any electrical / electronic repair experience I suggest replacing your microwave oven. The cost for repair might be excessive depending upon where you live and you might find a newer microwave oven with features that you like which were not on your older model. The prices of microwave ovens have become lower in recent years and that almost makes microwave ovens "throw away" devices. It has happened to radios, televisions, etc. I used to be in the repair business and the throw away stuff pretty much ended my business.

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Sears microwave oven model number 564 8568511 When you plug it in the outlet it hums and the megitron tube comes on and it heats without seting time or power. It just hums and heats without the fan coming...


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You can find exploded views and order parts by entering your model number at the Sears parts site.

There may also 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.

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

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It's probably a loose connection at the magnetron or a bad magnetron.

If it's less than one year old, it should be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

Some manufacturers (in the US anyway) will send you the magnetron to do it yourself. If nothing else, you can save about $75US by taking it to the shop yourself.

Apparently you're in the UK, judging by the model number.

You can find Sanyo UK microwave owner's manuals here.

You can find Sanyo UK support, parts and authorized servicers here.

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

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1 Answer

Microwave sedems to be working but not heating


Chances are the problem is a loose connection on the magnetron, a bad high voltage diode, or a bad diode.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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

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.

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

Sep 20, 2008 | Microwave Ovens

1 Answer

Microwave makes loud noise and does not heat. Smell of light burning


Chances are you have a bad magnetron.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa.

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

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.

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

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Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
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- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

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