Question about Dacor Microwave Ovens

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When i open the microwave door the machine turns on and keep on until i close the door. Dacor Built In Model DMT2420 S

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It may be a shorting relay on the the control board, or a problem with one of the door switches or its mount.

I regularly repair these microwave controllers and details are here.

It's best to follow up with me directly. (FixYa does not notify us directly when follow-ups are posted, so we have to log in to the site to see them.)

- William E. Miller, AS-EET
pupista@gmail.com
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Posted on May 25, 2017

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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

We have a new 24"Dacor


The service manual is here and the parts list is here.
That mesh is the door screen which prevents microwave leakage.
It must be intact or replaced, or a fire hazard exists.
You can order Dacor parts by part number from the Pros here.

Feb 26, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Door won't open


That's probably the door open lever or door open button, and there may be grease where the button passes through the control panel frame.
The service manual is here and the parts list is here.
You can order Dacor parts by part number from the Pros here.

Feb 12, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

Closing the door on my microwave no longer activates the Start. It seems like the door won't close tight.


youll need to replace the latch on the door. you can buy the parts and do this yourself or you can hire a repairman.

Feb 11, 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

Door won't open


That's probably the door open lever or door open button, and there may be grease where the button passes through the control panel frame.
The service manual is here and the parts list is here.
You can order Dacor parts by part number from the Pros here.

Feb 07, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

I opened the door on our Dacor microwave after heating food and the interior light, which was on for about a second, blinked off. The light will no longer come on when the door is open and the microwave...


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.

Oct 21, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

My Dacor DMT2420 fan, light and turtable motor run continuously when the door is open. I have unplugged the unit to reset it with no help, another on-line forum expert suggested checking the door switches...


If the cooling fan, light and turntable run continuously when the door is open, but not when it is closed, your secondary interlock (bottom door switch) is shorted (always on).

Even if it's shorted, the actuator button (usually red) will still move up and down when you open and close the door.

It will need a new door switch.

See the service manual here. See our file on door switches here.

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

Jan 04, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

Door won't open


What usually breaks is the door open lever, but it may also be that the rear side of the door open button has worn down too far to work.

On a counter top model, the outer cover will need to be removed to diagnose and repair this. On an over-the-range model, only the control panel needs to be
removed.

If yours is a DMT2420 or other counter top model that is built into a cubbly hole and surrounded by a metal grille (built-in kit), the kit will have to be removed, then the oven will slide out of the opening.

Once it's out, you can remove the outer cover and you'll be able to see how the door open button would press against the door open lever, which would then lift up against the door latch heads (hook-like projections on the door) and the door should open.

The model tag will either be on the back or around the door frame or control panel frame, or maybe inside the cooking cavity.

We have several Dacor microwave service manuals at our site:
It's a pain, but for Dacor the parts list are separate:
Once you have the part number of the part you need, you can order by part number here.

(This site does not list Dacor by model number, only by part number)

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

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Aug 03, 2009 | Dacor DMT2420SS Microwave Oven

2 Answers

Need help with DACOR Microwave model PCOR30S, w/the minute timer


This is a problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.

The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.

Sharp models (and Sharp models made for Dacor) stop after 59 seconds.

See the attached sample photo for a typical damper assembly.

We have a very close service manual and have uploaded it to our site here to help you.

You will need the
free Adobe Reader to view or print it.

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

If your model is PCOR30, and you need a new motor, the part number is 66756 and you can order it here.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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Dec 19, 2008 | Dacor DMT2420 1200 Watts Microwave Oven

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