Question about Dacor DMT2420SS Microwave Oven

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Dacor Microwave DMT2420S control panel screen white

The power went out @ 8 am this morning, returned by noon (I was out) my 4-yr-old Dacor microwave's control panel is now a blank white and the light does not come on when I open the door. The Dacor wall oven below it is working fine. I called Dacor and was told that the control panel was probably damaged due to a power surge, but to first turn off the fuse for 30 sec or so, turn it back on and maybe that will correct it. It didn't. Is the control panel damaged? How easy/difficult is it to replace the control panel? Is it necessary to have a surge protector installed at this outlet - new construction and the oven is built into the cabinetry? Thanx!!

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  • Dacor Master
  • 9,047 Answers

It is the CPU/display assembly that has a problem.

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

In my professional opinion, there are weaknesses in both the design and manufacturing.

Our proprietary modifications and repairs are designed to not only repair these, but prevent them failing again.

We have the service / repair manual for this model and have uploaded it to our site here for free download to help you with disassembly.

Please tell your builder about us.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Jul 25, 2009

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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.

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The Dacor DMT2420S microwave has power. Instrument dial is lite and the timer works. I can program the keypad however the turntable will not turn and the microwave will not work. The timer will count down...


There's no reset button, and if the fuse were blown, the oven would be totally dead.

Your problem is almost certainly a failed secondary interlock (bottom door switch) or its mount.

You can see our help file on door switches here and the service manual here.

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

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We have a new 24"Dacor


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

The touch screen on our Dacor DMT2420S is lit, but there are no "buttons" to use to control the microwave. None of the other buttons work either.


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.

We have very good success with these models.

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

Jan 30, 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.

Sep 02, 2009 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

LCD panel dimly lit, microwave works fine.


You have two options for this model:

We can repair your control unit for $39.95 in about a week or you can order a 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.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

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

Jan 03, 2009 | Dacor DMT2420SS Microwave Oven

1 Answer

Touch screen control stopped working


Is your model number DMT2420S? If not, please write back (or contact me directly) with your brand & model.

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

Or if you prefer, you can order one from us and get a core refund when you send us your old unit in good cosmetic, repairable condition.

Please feel free to contact me directly.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Jun 27, 2008 | Dacor DMT2420SS Microwave Oven

1 Answer

Decor DMT2420S - fan speed very low


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

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