Question about Dacor DMT2420 1200 Watts Microwave Oven

2 Answers

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

Recently my 1.5 year old DACOR microwave stopped working correctly.
The problem is that the cooking timer stops at 1 second remaining instead of completing the time and beeping at the end.
I have tried all the help menu options, and unplugged the unit for 10 mins hoping that would reset it, but to no avail.
Any Ideas?
THanks
Bob Hallahan

Posted by on

  • Chuck Anderson Jan 03, 2009

    I also have the problem of the unit stopping after 59 seconds.

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2 Answers

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  • 9,030 Answers

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

Need help with DACOR Microwave model PCOR30S, w/th - 7ca8da5.jpg

Posted on Dec 21, 2008

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I had the same problem and was able to fix it thanks to the above post. My damper motor is no longer turning and was not able to turn the flap open until the swich stops it.
On my Dacor PCOR30S, you need to remover the black top cover and after another plate located in the back right side of the oven. This will give you access to the magnetron, capacitor and high voltage transformer. Be sure that the power is off and the capacitor is discharged before sticking your hand in there!.
The damper mechanism is a bit different than the above picture but close enough to recognize it.
My motor doesn't turn and after opening it, it seems like the permanent magnet ring inside is stuck. I'll order a new motor.

Posted on Feb 14, 2009

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1 Answer

My Dacor PCOR30 only works 58-59 seconds at a time. I've read this could be a control board issue (part No. 66660). Is this correct? Is there any other possible cause?


Not likely.

This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

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.

Dacor-branded PCOR30-series microwaves are just cosmetically altered versions of the Sharp R1870-series ovens.

These Sharp-made models stop after 59 seconds when there's damper toruble.

See the attached sample drawing below for a typical damper assembly.

We have the applicable service manuals for the Sharp models and have uploaded it to our site here and here to help you in disassembling and troubleshooting your Dacor version.

You can find the Dacor PCOR parts list here and you can order Dacor parts by part number here.

If a switch is all you need, we offer a universal type for only $7.50 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.

b27054b.jpg

Nov 06, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

Unit shuts down every 59 sec. No matter how much time, with or without anything in micro and I figure to replace motor and switch. How do I get to those parts in unit? Does it have to come down?


This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

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.

Dacor-branded PCOR30-series microwaves are just cosmetically altered versions of the Sharp R1870-series ovens.

These Sharp-made models stop after 59 seconds when there's damper toruble.

See the attached sample drawing below for a typical damper assembly.

We have the applicable service manuals for the Sharp models and have uploaded it to our site here and here to help you in disassembling and troubleshooting your Dacor version.

You can find the Dacor PCOR parts list here and you can order Dacor parts by part number here.

If a switch is all you need, we offer a universal type for only $7.50 postpaid which you can order here.

You will have to remove the oven from the wall and remove the outer cover to access, test & replace damper parts.

Just refer to your installation instructions.

If for some reason you don't still have yours, scroll down to the bottom of this page to find yours.

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

Sep 29, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

Pcor30s shuts off at 59 sec mark. Do I need to take down to get to damper motor,switch and door? Is it on rt. Side? Thanks, rick


They're on the left side, and yes, you need to remove the oven from the wall, then take off the outer cover to get access.

This Dacor oven is just a cosmetically-altered version of the Sharp R-1870-series ovens.

So the installation instructions for the R-1870-series will help you get it down. They're here.

We have the R-1874 service manuals here and here, and the PCOR30 parts list here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Sep 29, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

My unit stops every 58 or 59 seconds and I have to push the start button to get it to resume.


This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

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.

Dacor-branded PCOR30-series microwaves are just cosmetically altered versions of the Sharp R1870-series ovens.

These Sharp-made models stop after 59 seconds when there's damper toruble.

See the attached sample drawing below for a typical damper assembly.

We have the applicable service manuals for the Sharp models and have uploaded it to our site here and here to help you in disassembling and troubleshooting your Dacor version.

You can find the Dacor PCOR parts list here and you can order Dacor parts by part number here.

If a switch is all you need, we offer a universal type for only $7.50 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 16, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

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.

Jun 19, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

The turntable is not working and the microwave is not heating the food now. its a dacor model PSCOR30S


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

Microwave Oven Basic Troubleshooting Tips

heatman101 ;;'';'

Jun 03, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

Is there a reset button anywhere on this model microwave


No, but if you need t reset it just unplug it for an hour. Then you will be back to factory settings

Jan 03, 2011 | Dacor PCOR30 Convection/Microwave Oven

1 Answer

The microwave stops after 50-60 seconds regardless of the amount of time left on the panel


The PCOR30 microwaves are essentially a rebranded Sharp R-1870-series ovens.

This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

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 stop after 59 seconds.

See the attached sample drawing for a typical damper assembly.

The service manuals that cover these models are here:

http://www.microwavedisplay.com/r1874_sm.pdf
http://www.microwavedisplay.com/r1870_r1871_sm.pdf
http://www.microwavedisplay.com/r1850_r1851_sm.pdf

The above manuals will not have Sharp part numbers, not the Dacor part numbers, but they should work, and you can order them from
the Sears Parts Directimage-4235112-10659157 site.

But if you're leery or unsure, you can look up the Dacor part numbers in the part list here, then order 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.

microwavesvc_11.jpg

Jan 01, 2011 | Dacor PCOR30 Convection/Microwave Oven

2 Answers

Clock will run down to 1 second of the minute and microwave will stop


The surge probably didn't cause this. This common error indicates a problem in the convection damper circuit. It may be a defective damper switch, damper motor, or a jammed damper door. I have attached a drawing of a typical damper system. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can order parts for Sharp models from Tritronics at http://www.wehaveparts.com.

Sep 21, 2007 | Dacor PCOR30 Convection/Microwave Oven

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