Dacor DMT2420SS Microwave Oven Logo
Posted on Aug 03, 2009
Answered by a Fixya Expert

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Door won't open

When I push the button, the light comes on but the door does not pop open. I don't know which model of the Dacor Microwave built in that we have. It's about 7 years old.

1 Answer

William Miller

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  • Dacor Master 9,179 Answers
  • Posted on Aug 04, 2009
William Miller
Dacor Master
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Joined: Sep 15, 2006
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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.

Door won't open - 9e5e3fe.jpg

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  • William Miller
    William Miller Aug 04, 2009

    Sorry, the link did not come up. Here is where you can order Dacor parts by part number.

  • William Miller
    William Miller Aug 04, 2009

    Sorry, but the link for the parts supplier didn't come through.

    You can order Dacor parts by part number (don't search by model number, consult the parts list) here.


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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

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
[email protected]
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"
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Hello,To get the door open and salvage your dinner, take a long thin blade ( I used a frosting spreader) and insert from the bottom between the door and the oven frame on the side with the latches (usually next to the control panel). You may have to pry the bottom of the door open just a bit. The object is to push up the lower door latch (which is connected to the upper door latch) and manually open the door. You may have to try a few times but this worked perfectly for me and saved dinner. Obviously the door latch needs to be repaired but this solves the immediate problem of dinner being held hostage by a recalcitrant microwave.
wish you good luck,
take care.
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Microwave wasn't heating properly and now the door won't open. The button you push to open the door usually has tension on it but now it has none.

You can remove the control panel assembly, then you'll be able to see the door opening parts.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

The Dacor PCOR30 is essentially a rebranded Sharp R-1874, so the relevant Sharp service manuals (here and here) will help you with disassembly if you need more help.

The Sharp manuals will not have the proper Dacor part numbers.

For that, see the Dacor PCOR parts list here.

Our favorite place to order Dacor parts is by part number from the Pros here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
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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.
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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.
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Bad door open lever or door open button.
The service manual is here and the parts list is here.
You can order Dacor parts by part number from the Pros here.
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What usually breaks is the door open lever.

On an over-the-range model, only the control panel needs to be removed. Please unplug the oven first.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

Once it is apart, 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.

Dacors are made by Sharp, and one of these service manuals below may help you.

http://www.microwavedisplay.com/r530es_sm.pdf
http://www.microwavedisplay.com/R530EKF_R530ESF_R530EWF_sm.pdf
http://www.microwavedisplay.com/r530bk_bw_sm.pdf

To order Dacor parts, I recommend you visit http://www.apdepot.com/index.asp

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