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Kenmore 721.67903601 Microwave/Convection

The fans continues to run even though the microwave is not in use.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: my microwave is sweating

No. This is usually a sign of poor venting or air flow. It's possible that the coling fan is not circulating the air properly due to a problem with it or maybe the air vents are blocked. Also, there needs to be a couple of inches around a countertop model on all sides - especially the back - to ensure air flow. Look for buildup on the back vent grille. You can listen for the fan to be running and feel the air flow while it's running. If it's weak or not there, it needs inspection / service. A lack of air flow can cause the magnetron to overheat and be damaged. If this is a built-in model also check your air filter, air duct work and outdoor vent flap. Write back if you still have trouble.

Posted on Mar 13, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: JVM convection microwave

I see. Okay, well then I would expect there's a problem with a high voltage part, such as the diode, magnetron or transformer.

Your model number should be entered as JVM192002 and you can find exploded views here.

You can usually find GE parts for much less 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.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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

Posted on Aug 10, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Microwave/Convection JVM 1090 oven won't reach temperature

You probably have a bad thermistor.

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

(At that site, that part is misspelled as "thermister" for your model).

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.

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.

Accessing some components for testing 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.

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 Jan 03, 2009

pgh_pa_guy
  • 2992 Answers

SOURCE: Sharp 930 AK Convection/Microwave Oven

When you close the oven door the latches operate a couple of interlock switches that control power. It may be that one of the door switches is bad or out of adjustment. It's also possible that one of the door latches is broken so it's not hitting the switch. There should be two door latches. Are they both there? This oven could be fixed by adjusting or replacing the interlock parts as needed. Because of concerns about microwave leakage from an improper door seal, you should have this oven serviced by a professional.

Posted on Jun 04, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Kenmore Elite Advantium 120, model # 363.63693301,

You probably just have a bad primary interlock (upper door switch) or its mount is loose or broken.

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

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

Most computers will open this document automatically, but you may need the free Adobe Reader.

For more on door switches & mounts, see:
http://www.microwavedisplay.com/doorsw.txt

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

But if you need any cosmetic parts,
enter your full model number at the Sears parts site.

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

Posted on Jul 13, 2009

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Fan is must. if not the magnetron and HT transformer can get faulty. try to repair it.
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The magnetron has a main diode, fuse and transformer to run the microwave bit, any of these could be faulty. A word of warning though, there are extremely high voltages inside microwaves, even when unplugged in the main capacitor. Also to repair this section you will need to be a fully qualified engineer to even order parts for this.
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Sounds like you don't have proper microwave-compatible plates or mugs. Must have lead in them, or in the paint (!?!) Try a plastic plate or even a paper plate. I can't think of anything that would make the microwave oven do that, UNLESS it's a microwave/convection oven, in which case, the convection heater must be coming on whenever you are trying to just use the microwave function.

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follow this steps and fix it. God bless you

  1. Interlock switchIf your microwave is turning itself on, the first thing to check is the interlock switch. This is usually the first thing to malfunction that could cause this issue. If the interlock switch is bad then it will need to be replaced.
  2. Main control boardIf your microwave is turning itself on and the interlock switch is still working, the probable cause is the main control board. If the control board is defective it will need to be replaced.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#9#ixzz2aNH65mG4
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I have seen where one of the door switches becomes intermittent causing the symptoms you are describing, tough to nail down considering there are more than one door switches.

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Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

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heatman101

sytjhf

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Convection oven stops every 5 minutes and won't continue


to trouble shoot hold the door securely shut for longer than 5 min to see if it runs longer if it does the you should replace the interlock devise

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Does Not Shut-Off Completely


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

There may also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.

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

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

Apr 05, 2008 | Amana ACM1580 Convection Microwave Oven

1 Answer

My microwave is sweating


No. This is usually a sign of poor venting or air flow. It's possible that the coling fan is not circulating the air properly due to a problem with it or maybe the air vents are blocked. Also, there needs to be a couple of inches around a countertop model on all sides - especially the back - to ensure air flow. Look for buildup on the back vent grille. You can listen for the fan to be running and feel the air flow while it's running. If it's weak or not there, it needs inspection / service. A lack of air flow can cause the magnetron to overheat and be damaged. If this is a built-in model also check your air filter, air duct work and outdoor vent flap. Write back if you still have trouble.

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