Question about Whirlpool MH1170XS Microwave Oven

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Microwave is a Whirlpool MH3185XPB.All works except when you set to heat /cook it flashes an electic spark in the upper cabinet. Does not cook or heat at this time.Is it the magnetron or ??

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Posted on Jan 02, 2017

maklean
  • 1665 Answers

SOURCE: Whirlpool Microwave (Magi-cook) Problem

Hi have a nice day!
When the microwave sounds okay, but there's no heat, one of the internal door switches, the high voltage circuitry, or the circuit board may have a problem. To resolve this problem, you need the assistance of a qualified appliance repair technician.

Posted on Mar 07, 2008

reg501
  • 413 Answers

SOURCE: Whirlpool Microwave

The magnetron has failed and has damaged the waveguide. This type of failure is generally unrepairable. First look in your owners manual for specific warranties, then contact Whirlpool and explain to them what has happened.

If you need further assistance, let me know
Regards,
reg501

Posted on Jul 08, 2008

  • 670 Answers

SOURCE: Whirlpool Microwave no longer heating

Sounds like the magnetron has failed. It is the magnetron that generates the microwaves that heat the food. If it or the circuit that powers it fails then it stops heating. There are some high voltage circuits that feed the magnetron and you can potentially get hurt if you don't know what you are doing. Would recommend you have it serviced by a professional if you want it fixed, otherwise look for a new one since the cost of repair can come close to the price of a new microwave oven.

Posted on Dec 24, 2009

  • 1531 Answers

SOURCE: Magnetron is out. Where can I get assembly

depending on how old this unit is the magnetron is usually covered under a warranty and should be done by a service tech

Posted on Feb 05, 2010

heatman101
  • 43501 Answers

SOURCE: My whirlpool microwave intermittantly sparks and

Hi,


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

Microwave Oven Basic Troubleshooting Tips

heatman101

Posted on Sep 23, 2010

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1 Answer

Everything on microwave works except it doesn't heat or cook. what is the problem?


IT'S THE MAGNITRON - CHEAPER TO BUY NEW THAN REPLACE - SORRY.

Jan 09, 2013 | Microwave Ovens

Tip

Or the microwave could be in "Demo Mode" - Check your owners manual. In...


If the microwave operates normally, but does not heath at all, then it can be the high voltage capacitor, the rectifier diode.or the magnetron.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, your model number did not return any result, contact the seller here to purchase parts. (here in UK).

on Jun 16, 2009 | General Electric Microwave Oven

2 Answers

Tappan TMV151FS over range microwave starts to work and then dies


Never run the microwave without a load (something to heat)!!! That kills the microwave generating parts.

Sounds like a 'thermal' protect switch is activating after running. Make sure that (if the unit is mounted in a cabinet) that there is sufficient space around the unit for proper air flow and that nothing is blocking the vents. Try setting it on a counter top and heat something. If it works properly and doesn't shut off, the venting space is the problem. You may have to have the cabinet that it sits in redesigned for more clearance.

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1 Answer

Everything works except the cooking part/no heating/turntable not turning, help!


you may have gotten a power surge and that can cause some funny things to happen, 1st is there power to the oven, 2nd if so there may be an internal fuse protector built in to the oven, check with the manual for anything of that sort listed. if not you may have to take it in and have it repaired by a pro. there is a lot of voltage in these ovens and unless you know what you are doing a person could get hurt

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1 Answer

Microwave heating problems


Many over-the-range microwave ovens suffer from intermittent problems caused by excessive moisture from the range/stove entering the microwave cabinet and collecting on the circuitry. Often the problem is with one or two simple connections that may need tightening or soldering. But, to repair these components, the microwave cabinet needs to be opened. So we recommend that you seek the assistance of a qualified appliance repair technician.

Oct 03, 2008 | Whirlpool Microwave Ovens

1 Answer

Whirlpool(GH7145XF2-0) does not work occasionally


That's how it would sound if you were cooking on a power level less than full power.

If you enter the cooking time and hit Start, it should cook at full power by default and not cycle like you describe.

If you are using some sensor cook setting or automatic type cooking setting, it may cycle like that normally.

The first thing to try is a "hard reset". Unplug it from the power line for a minute, plug it back in, set the clock, then try again.

Let us know if the hard reset doesn't fix it.

If you don't have your manual, you can download it free here. Check the lower right area to enter your model. number.

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

Jul 17, 2008 | Whirlpool GH6177XP Microwave Oven

2 Answers

Microwave troubleshooting


I found the fix to the F3H error on another site. Just turn the power to the microwave off for ~2 minutes at the circuit breaker, and then turn it back on. Microwave will start working again then.

Feb 23, 2008 | Whirlpool GH5184XPQ Microwave Oven

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