Question about Dacor DMT2420SS Microwave Oven

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Touch screen is blank-no display! - Dacor DMT2420SS Microwave Oven

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You can get that repaired for $39.95 in most cases (details here) or order a control / display unit here.

Posted on Nov 21, 2011

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1 Answer

Display is blank


If the display is blank, and the oven works, 9 times out of 10 it is a problem with the circuit board that drives the display.

Apr 16, 2014 | GE Advantium 120 Convection/Microwave Oven

2 Answers

I have a whirlpool microwave oven over the range. Model GH 5184xps-4 when I press start, it comes on for one second then it shows a code -F7- and stops


TOUCH PANEL & MICROCOMPUTER BOARD TEST FOR WHIRLPOOL....

The microwave oven may be provided with a self diagnostic routine that can be operated

through the touch pad keyboard. To enter the self-diagnostic routine:

1.While pressing the CANCEL keypad:
a) Open the oven door.
b) Unplug the microwave oven for 2-seconds and plug it back in.
c) Release the CANCEL keypad and close the oven door. You will see the following display.

CHART
NOTE: The humidity sensor test results will appear on the display after 8-seconds.If the tests are successful, "OK " will be displayed. If one or more of the tests fail, "ERR " will be displayed.. 2.When a keypad is pressed, a number according to the test chart will be displayed. When no keypad is pressed, a blank "O" (square) is displayed...

POWER FAILURE & FAILURE CODES
Power Failure: After a power failure, the WELCOME screen will be displayed.

F2 Keyboard Failure: Refer to the Tech Sheet and conduct a touch panel continuity test.

F3 Humidity Sensor Failure: Refer to the Tech Sheet and test the sensor.

F6 Microwave Relay Failure: Check the microwave relay.

F7 Microcomputer Board Failure: Change the microcomputer board.


Hope helps.

Apr 12, 2011 | Whirlpool Microwave Ovens

1 Answer

KitchenAid KCMS1555RSS - display completely blank and does not function. Is it worth fixing?


i would try and see if the fuse is blown in unit ... normally behind control panel there is a in line 20 amp fuse that may have blown.... if the unit makes noises when you touch the buttons but no display then you have a bad control board assembly

Jan 11, 2011 | KitchenAid KCMS1555RSS Stainless Steel...

1 Answer

Display numbers/words disappear


There are two options for this model:

- You can order an exclusive modified display control unit (#CU440) with proprietary upgrades for $115, then if you return your defective control unit in repairable, good cosmetic condition, you get a core refund of $30. It comes with a one-year guarantee. Details are here.

- Or your existing control unit can be repaired for $39.95 in most cases, also with a full one year guarantee. Details are here.


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

May 24, 2010 | Dacor DMT2420SS Microwave Oven

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

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Feb 02, 2010 | Dacor DMT2420SS Microwave Oven

1 Answer

Dacor Microwave Touch Screen lite but blank


You can get that repaired for $39.95 in most cases (details here) or order a control / display unit here and replace it yourself for just over a hundred.

Sep 29, 2009 | Dacor DMT2420SS Microwave Oven

1 Answer

Dacor Touch Screen is flickering and doesn't respond to touch


You can get that repaired for $39.95 in most cases (details here) or order a control / display unit here.

Mar 31, 2009 | Dacor DMT2420SS Microwave Oven

1 Answer

No Touch Screen Display


Try pressing "Clock" and then "Start"

Mar 16, 2009 | KitchenAid KHHS179L Convection/Microwave...

2 Answers

Control Panel Touch Screen Goes Blank


This is a problem with the control panel assembly, which we commonly repair for $32.50. Feel free to e-mail me at _ for more information or visit _ for full details.

Aug 01, 2006 | Sharp R-340 Microwave Oven

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