Question about Dacor DMT2420SS Microwave Oven

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DMT2420s sounds like i have the same problem as described here. the display would start to blink then goes out. the backlight is still on but no dissplay and microwave would not work at all. i tried reseting the circuit breaker and that worked for about a day then it goes out again. now nothing works. what do you think the problem is? is this a common issue for this Dacor Model? regards, Tuan

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We repair these control units for customers nationwide with our guaranteed $39.95 service.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

Feel free to contact me directly.

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

Posted on Aug 08, 2008

  • William Miller
    William Miller Aug 12, 2008


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Dacor DMT2420S


That would be your waveguide cover. If damaged or discolored, the waveguide cover has been damaged by heat and must be replaced.

It protects your waveguide and magnetron from arcing due to grease and food particles.

The area of the waveguide behind the waveguide cover should be clean, and if rust or flaking is present it must be sanded, then repainted with high temperature appliance paint.

For Dacor model DMT2420S, the waveguide is part number 66345 and you can get it from The Pros here for $11.07 (subject to change).

The service manual is at my site here: http://www.microwavecontrol.com/dmt_2420_sm.pdf and the part list is here: http://www.microwavecontrol.com/dmt_2420_parts_list.pdf.

Feel free to e-Mail me at pupista@gmail.com if you need more free advice.

Sep 25, 2016 | Dacor Microwave Ovens

1 Answer

We have a Dacor Microwave DMT2420S that everything works except the Touch Screen doesn't light up.


The display board is bad, it may be part of the control PCB or it may be separate. Some are back lit and some are lit internally.

Oct 21, 2013 | Dacor DMT2420S Preference 24" Microwave...

1 Answer

Oven display goes completely blank when I try to start it. After a short while, display asks to reset clock. I do this, then try to start oven and it goes blank again and does not start. Power supply is...


See this FixYa solution. even if your model number is different.

If this does not describe your problem, reply with your full model; number from the tag on or in the unit and a detailed explanation of the trouble you're having.

Sep 06, 2010 | GE XL1800 1100 Watts Microwave Oven

1 Answer

Dacor DMT2420S Microwave has light and touch pad fully functional but when you push start, the clock counts down normally but no sound of the oven running nor does the turntable turn. Food does not heat....


Simple fix.

You need to replace the bottom door switch, or repair its loose or broken mount.

See this help file on door switches, and refer to the service manual here for disassembly help.

You can find part numbers here and order Dacor parts (by part number only) here.

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

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

Aug 22, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

Operation manual is lost, how do I set the clock?


The manual for the Magic Chef MCD1311ST Microwave can be downloaded in pdf format from the following site (follow the link then click the "Manuals" tab):
http://www.mcappliance.com/mwodetailpage.aspx?ModelName=MCD1311ST

If you don't have time to download, here's what the instructions state:

SETTING THE CLOCK
When the oven is first plugged in, the display will flash ":0" and a tone will sound. If the AC power ever goes off, the display shows ":0" when the power comes back on.

1. Touch CLOCK pad.
This is a 12 hour clock system.

2. Touch CLOCK pad once more.
This is a 24hour clock system.
NOTE: This oven has multiple clock system. If you want 12 hour clock system, omit this step.

3. Enter the correct time of day by touching the numbers in sequence.

4. Touch CLOCK pad.
The display stops blinking, and the colon start blinking. If you selected 12 hour clock system, this digital clock allows you to set from 1:00 to 12:59. If you selected 24 hour clock system, this digital clock allows you to set from 0:00 to 23:59.

5. Touch STOP/CLEAR pad.

NOTE: If you attempt to enter an incorrect time, the time will not be set and a error signal tone will sound. Touch the CLOCK pad and re-enter the time.

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1 Answer

Dacor DMT2420S Blank display, oven does not work


It sounds like you need to have the control panel assembly repaired or your CPU unit replaced and you need a new bottom door switch.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

Or you can order our exclusive modified control unit with our proprietary upgrades for $115, then if you return your defective control unit in repairable, good cosmetic condition, we'll give you a core refund of $30. It comes with a one-year guarantee. See details here.

We have the service manual and have uploaded it our site here to help you. It covers disassembly.

Also see this file.

You can order a universal type switch here for $5 postpaid.

Feel free to contact me directly for more help and information.

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

2288e7c.jpg

Feb 02, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

No display on key pad (white out) DMT2420S


Clean the contacts of the cable with 99% isoprophyl alcohol and reseat them.

Also see if moisture might be getting into the connections.

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1 Answer

Dacor DMT2420s when started makes a loud buzzing sound


The fan could have an obstuction. I have heard of tech sheets getting into the fan and causing a vibration and vibrating sound.

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1 Answer

Decor DMT2420S - fan speed very low


Replace the fan motor. Lack of cooling can cause serious and expensive damage.

Dec 18, 2007 | Dacor DMT2420 1200 Watts Microwave Oven

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