Question about Frigidaire FMV157GM Microwave Oven

1 Answer

Fmv156dsb, when the timer is on you have to push up

Just a little on the door handle on the lower right side for the MW oven to engage. the timer counts down, the interior light is on but the oven does not heat. the light works, the vent works and the clock works. I think it has to do with the latch inside the oven??

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  • Anonymous Jan 14, 2009

    This has been happening with our microwave for more than a year, and the microwave is only 2 years old. We have had it serviced 3 times in the last year, and it is currently being serviced for the 4th time. Every time it gets serviced, we have to wait 2 to 4 weeks for parts and for the technician to repair it. I can't find any recall information, and the store we bought it from refuses to honor the service contract and replace the microwave. We are not rough on the microwave; we don't slam the door, open it while it's still running, or even allow it to get dirty. I'm at wits end with this microwave and even more so with Conn's, the store we bought the microwave from!

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  • Frigidaire Master
  • 8,858 Answers

This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) or occasionally a problem on the control panel.

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 you or 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:.

You can 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.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

If you only need a switch, you can order a universal type here for $5 postpaid.

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 you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Dec 13, 2008

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1 Answer

Microwave not working unless I hold & push up the door. what's wrong?


You have a defective bottom door switch or possibly its mount is loose.

The service manual is here.

Also see my help file on door switches here.

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

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around the inner side of the door between the window and outer frame is a plastic shroud,by gentle prying it out using a flatblade screwdriver starting at the handle side working toward the hinge side it will pop off and the screws that hold the handle can be accessed and remove and replace the handle. to reinstall that shroud gentle push it in with your fingers
you can go to searspartsdirect and enter in your model number exactly as found in the mw cavity and order the part or perhaps look in your phone and find a appliance parts dist. in your area

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I have a Salton micorwave oven (MW-2027P). The timer works but the cook setting will not start. There is also no light on the inside when I open the door.


I had this exact same problem with my salton microwave! Even tried taking it back to the store, but with no reciept there was little they could do. Anyways try jiggling the clasps on the side of the the door, the ones that connect it to the microwave. Mind you don't jiggle too hard. Now firmly close the door, you should hear a distinct click. Now try it! The light only works when the microwave is on. The microwave won't work unless the door is closed properly and my problem was the claps were stuck! I hope this helps.

May 15, 2011 | Salton RRMW1 / RRMW1A 900 Watts Microwave...

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Microwave does not come on.....but when i hold up oven door a little it comes on.


Frigidaire microwave FMV156DSB. Turntable don't turn and no heat. Clock, keypad, light and fan works. The guys above looks like they right about either the door or the switches for the latch. This model does have two switches and a fusible switch. Pushing up a bit on the oven door from the bottom right corner when its closed make mine turn on if you set it to cook. Switches numbered 8(x2) on the schematic has part number 5304440026 $18.05. Fusible switch has part number 5303319559 $30.36. Have'nt changed them because it may be the door hinge is bent since the door latch is made out of plastic. Also looks like a real pain to take apart just to get to the switches. I will try to bend the door hinge to see if it fixes it. "And..now." -- Kirk, "Huh?" -- Scotty, "The doors, Mr. Scott." --Kirk, "Aye. I'm workin' on 'em."

Mar 11, 2011 | Frigidaire FMV156D Microwave Oven

2 Answers

Our Viking VMOS200 just stopped working. The lights and the countdown timer work, but no fan noise and no turntable spin.


it has nothing to do with the magnetron. first you have to fix step one. then you will know if the magnetron is bad. its one or two of the primary switches on the bottom of the switch tower. usually with these mw if you dont press cancel to stop the mw, and you just push the latch to stop it, those wires heat up and cause the microswitches to burn and loose proper contacts.

put a cup of water in the mw. set it to one minute and as its counting down. push on the latch LIGHTLY, as to not fully open the door and you will hear the magnetron kick on and the turn table start to rotate

Mar 06, 2011 | Viking VMOS200 Microwave Oven

1 Answer

We have a Frigidaire FMV156DCC that is about 3+ years old. as of last night when the door is closed and the time is selected one of 3 things happen (or doesnt happen) 1. is nothing, just a dark...


I would replace the door switches and set up the door gap to 1/8" just enough to alow for a little play.
Setting the door square is acheived by slackening the lower door hinge and re tightening it when the door is square.
Hope that helps.

Jan 03, 2011 | Frigidaire FMV156DC Microwave Oven

2 Answers

FMV 156DSB Timer and light works, but does not heat unless you push up on bottom of door.


Slacken off the lower hinge screws and re set the door to the correct height, then tighten them back up.
That should sort that out.

Jan 02, 2011 | Frigidaire FMV156D Microwave Oven

1 Answer

Oven will not cook. turntable and fan will not operate, but light, timers controls all appear to operate. checked door seal and allignment and appear to be ok. oven is 4 days old. it stopped operating...


its a defective lower door interlock switch or a faulty relay or triac. First try again a pick up a little or push down a little on the door and see if it will work

Sep 12, 2009 | Haier MWM10100SS Microwave Oven

1 Answer

Fan & Turntable start when door is opened.


sounds like there is a switch that is bad. you can go buy a new MW for about 200$ and in yours if there is a major problem then i would just go buy a new one but might be worth a repair man to come check it out


pleas do not poke around in the microwave as it carries a charge of 5000volts and can kill you even if not plugged in DON'T TOUCH THE WIRES WITH BRAIDS ON THE OUT SIDE if you must get inside of the unit

Dec 10, 2008 | Microwave Ovens

1 Answer

Panasonic microwave...


Without HV test equipment it is quite difficult to determine if it is the magnetron or inverter.

5 years is a little short for magnetron failure but it appears that this is about all you can expect these days from a magnetron - the best I have seen was 11 years. I have not seen an inverter failure as yet (although I am not a full time repair man). The main reason I suspect it is the magnetron is the short time period from start to stop - it is typical of magnetron failure in Panasonic microwaves.

As regards door hinge side, that is one of the great unknowns. I suspect it comes from most people being right handed but even refrigerators could be specified as right/left hand hinged originally and now can be changed by customers.

Nov 08, 2008 | Panasonic NN-T990SA Microwave Oven

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