Question about Dacor DMT2420SS Microwave Oven

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Dacor DMT2420 turntable not rotating. - Dacor DMT2420SS Microwave Oven

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William Miller

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It may be a bad turntable motor or coupler, or the motor may not be getting power due to a bad connection or relay on the control circuit board (which we repair).

The service manual is here and the parts list is here.



You can order Dacor parts by part number from the Pros here.

Posted on Nov 21, 2011

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1 Answer

Turn table no longer rotates


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

Microwave Oven Basic Troubleshooting Tips

heatman101

Jul 28, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Dacor DMT2420. Light and Display work fine, and you can type in time for cooking, but when you hit start, it does not make the buzz of it's normal sound, and the turntable doesn't spin.


On the DMT2420, that's a bad bottom door switch, or possibly that switch's mount.
The service manual is here and the parts list is here.
You can order Dacor parts by part number from the Pros here.

Jul 22, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Turntable won't turn...all else is fine


The turntable motor has become defective and will need to be replaced, an appliance repairman will be able to help.

Feb 18, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Turntable will not rotate.


If it's also not heating, on the DMT2420, that's a bad bottom door switch, or possibly that switch's mount.

Otherwise, it may be a bad turntable motor, turntable coupler, or the control circuit board (which we repair).

The service manual is here and the parts list is here.

You can order Dacor parts by part number from the Pros here.

Feb 17, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

My microwave no longer starts when the door is closed. You have to hold the door tight for it to work. Door is not shutting tightly enough.


On the DMT2420, that's a bad bottom door switch, or possibly that switch's mount.
The service manual is here and the parts list is here. You can order Dacor parts by part number from the Pros here.

Feb 11, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Light and display work but not unit or turntable


On the DMT2420, that's a bad bottom door switch, or possibly that switch's mount.
The service manual is here and the parts list is here.
You can order Dacor parts by part number from the Pros here.

Jun 27, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

Dacor DMT2420 Waveguide


Generally, you are speaking about a cover for this item..I'm guessing...or the unit would not work. If it is the guide...it distributes the energy in the unit. Replace it immediately.

Dec 18, 2007 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Heats but tray does not rotate...


This one does not have a turntable shutoff option, which is available most commonly on over the range models.

You likely have a bad turntable motor or turntable support (the 3-legged part with rollers).

If yours is a Dacor DMT2420, it is essentially a rebranded Sharp model R440DK/DW / R540DK/DW.

There was an issue with the original turntable motor on these Sharps.

The new Sharp turntable motor kit is part # RMOTDA264/KIT and they are available from Tritronics at http://www.wehaveparts.com

I cannot guarantee that this is the correct Sharp part for this Dacor, but I believe it is, based on the other parts being the same.

Another thing to be sure of is that your turntable support does not have a cracked coupler (the part that connects to the motor) and you need to be sure the legs are straight.

Sometimes heat and weight cause the legs to bend so that the coupler will no longer go down far enough to make contact with the motor shaft.

To fix these, I use a gas stove burner or torch to heat up the area where the legs connect to the hub, then I turn it upside down with a weight on the hub / coupler and leave it until it cools.

This straightens the legs back, and you can do this once or twice before you have to replace the support. But if the support is cracked or charred, it needs to be replaced.

The Sharp turntable support part number is FROLPB025MRK0 and it's also available from Tritronics.

If you don't want to take the chance, the Dacor part numbers are:

66245 motor Ref # 1-11
66184 support Ref # 6-3

But it will depend on your supplier as to whether these are original parts prone to failure or the new and improved parts.

You can order the Dacor parts from sources listed here:
http://ww1.dacor.com/findus/PartsDistr.asp

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

Dec 01, 2007 | Dacor DMT2420 1200 Watts Microwave Oven

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