Question about Frigidaire FMV156DC Microwave Oven

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Microwave comes on will not heat

My microwave comes on the clock works,light etc,will not heat.... do they have a fuse

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  • Frigidaire Master
  • 43,501 Answers

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

Microwave Oven Basic Troubleshooting Tips

heatman101
qerw

Posted on Sep 30, 2010

6 Suggested Answers

rhozel2010
  • 267 Answers

SOURCE: Emerson MW9111 will not heat- all timers & clock work

Hi! try checking the fuse that goes to the magnetron.

Posted on Sep 12, 2009

  • 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

ginko
  • 19396 Answers

SOURCE: no heat in microwave

Test 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, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

  • 3600 Answers

SOURCE: The microwave stopped heating the food. Power

The light inside the micro wave needs to be replaced most have a door on the back side that yo can remove the screw and unscrew the bulb and take to a applince shop and purchance a new one to replace.

Posted on Jul 19, 2009

hardrocko
  • 1476 Answers

SOURCE: microwave won't heat food

I have a tip at http://www.fixya.com/support/r4223574-microwave_oven_will_not_heat which should solve your problem. It details what is wrong and how to correct it along with where to get the parts you may need. Let me know if you more help.

hardrocko

Thanks for using FixYa

Posted on Mar 03, 2010

  • 1416 Answers

SOURCE: Microwave will not heat

hello,

what this mean it that your wave has develop a disconnection problem internally from the wire what you will have to do to fix up your wave is to unscrew your wave then trace the wire down to the element (heat provider) it is silver in colour
please if there is no disconnection in it then it means that the element has gone bad then you will have to make a change of it with a better one you can get it in the store
please make sure that all form of power supply is put OFF before you can carry out this function.

Good lock ,thank you and thanks for using fixya.

Posted on Jun 01, 2010

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1 Answer

My emerson microwave oven dose not heat up


Need more info: Model #? Does MW light come on? Does turntable rotate? Can you set the clock? etc. Could be fuse, magnetron, HV transformer, or more.

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In situtions such as these it can be considered that the Magnatron has passed on. Co0t of repair often exceeds the value of replacement.
No fuse controls the magnatron separately from the rest of the unit so deem it dead

With the availability of good second hand models on the market via pawn shops like Cash Converters etc one can find a very good unit with 30 day warranty for $50-100 and its already been checked over for defects

Please rate my help++++Thanks for using FIXYA

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Tat would be a magnetron problem. The magnetron is what provides the heat

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Hi there, everything seems to be working fine -- lights turn on, fan works, buttons all work, clock working, timer working, etc. -- but the microwave won't heat anything. any recs?


Generally, there are one of three failures.
Blown fuse in the Magnetron circuit.

The main capacitor failed (Required to power the magnetron)
The Magnetron itself has failed.
My local appliance repair guy helped figure out my last microwave failures. Once was the fuse the other was the capacitor.
The fuse was a couple bucks, the capacitor was $25 or so.
Generally, if you are not familiar with repairing a microwave, it is best to take it to a repair shop to be evaluated/repaired as it is real easy to get shocked working on one.

Dec 06, 2009 | Microwave Ovens

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No heating, turntable does not turn, but clock & lights work.


Check to make sure the plastic on the shelve holders or tuntable guide did not wear and expose metal. If these holders or brackets are wore and exposed metal it shorted out your micro wave. They need to be replaced and a fuse needs to be replaced inside the control panel,

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Emerson MW9111 will not heat- all timers & clock work


Normally when you take the cover off, the fuse will be on the right of the oven on the circuit board.

Sep 10, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

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The microwave stopped heating the food. Power


The light inside the micro wave needs to be replaced most have a door on the back side that yo can remove the screw and unscrew the bulb and take to a applince shop and purchance a new one to replace.

Jul 16, 2009 | Whirlpool GH4155XP Microwave Oven

1 Answer

No heat in microwave


Test 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, contact the seller here to purchase parts. (here in UK).

Oct 07, 2008 | Roper MHE14XKB Microwave Oven

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