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Maytag mcd2257kes - insufficient voltage to operate evaporator fan

I have an mcd2257kes and it worked fine. The local power utility had an issue at our transformer that fried some of my arc-fault breakers and also stopped the fridge from cooling. Erratic behavior - freeze, then thaw, etc. Saw that the main control board had a couple of blackened (fried) parts on it. Replaced it with a new one and assumed life would be good. Not so. Took the freezer rear metal wall out to see that the evaporator fan was not firing up, even though the compressor did and the coils were appropriately frosted. So i ordered a new evap fan. No dice. The fan runs on 110v but the two red wires that it plugs into are showing a varying voltage between them (8.7v to 16v). Very odd to me. Traced the power from the cord up through the chassis and I do have 110v at the control board. My refrigerator says it should be programmed to Code 20 (which I did). I am baffled by this but assume it is something simple I may be overlooking. Appreciate any help you have to offer.

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  • banderson045
    banderson045 Jul 26, 2013

    the evaporator fan in the back of the freezer compartment.

  • Day Coker Jul 26, 2013

    Check your defrost control it maybe getting stuck in defrost mode. Also check voltage to the fan with door switch closed or tape it down see what you get.

  • banderson045
    banderson045 Jul 30, 2013

    Votage today is 24-26v whether the door switches are open or closed. Jazz board was suggested (even though new) by an appliance repairman I hired. Hard to believe but am trying to get it swapped again (10 days past standard warranty). Open to other actions or suggestions. Brett

  • banderson045
    banderson045 Aug 15, 2013

    This is now resolved. The issue was the main control board. The part I bought from ApplianceParts365 was defective. They were very good about swapping for another though - even though I was 10 days past warranty. I am grateful for all assistance from them and this forum.

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  • Expert
  • 304 Answers

Confused the condenser fan is in the back by the compressor and the evap fan is inside of the freezer which one did you change?

Posted on Jul 26, 2013

Testimonial: "the evaporator fan in the freezer compartment is what I swapped out."

  • Day Coker Jul 30, 2013

    Is your refrigerator making any intermittent buzzing or clicking sounds? Have you ohmed out your compressor?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Techsim
  • 59 Answers

SOURCE: Amana BX22A2W - freezer works, fridge not cooling

Check the damper in the top back of the fresh food section. make sure that it is open and air is coming through it.

Posted on Nov 02, 2008

Sea Breeze
  • 4654 Answers

SOURCE: evaporator coil freezing, replaced main control

It is possible you have a defective fan motor in the condenser area or evaporator area. Sometimes when they become defective they will run for a while and just warm up and stop while the compressor continues to run. I learned that one on four costly returns to the home. The cost was to me not the customer. Thanks, Sea Breeze

Posted on Aug 05, 2009

  • 146 Answers

SOURCE: Evap fan stops running/low cooling, Unplug Frig Evap fan runs

Is there anything obstructing the fan area, ice build up ? It is normal for your freezer to get warm if evap fan is not working, it is essential for it to work :) A defrost cycle should kick on a timer or as needed (adaptive) and there should not be excessive frost buildup that it blocks your evap fan. I would have suggested you unplug your refrigerator for about 10 minutes and see if that resets your control board - if not, then you will need service - either replacing motor assembly or a faulty control board.

Posted on Aug 22, 2009

Testimonial: "Thanks for your help. The control board was faulty. This is what I suspected but I wanted a second opinion before buying the board. "

Sea Breeze
  • 4654 Answers

SOURCE: Compressor & Evap. Fan both work for 12 hours then evap stops

I believe that because defrost is done by the mother control board this is why this is happening the part of the board that controls defrost is malfunctioning and the only way to resolve the problem is to replace the mother board part number WR55X10656 You can find the replacement board at these places below. Sea Breeze

http://appliancepartsse.blogspot.com/

http://appliancepartsse.blogspot.com/

Posted on Aug 25, 2009

Testimonial: "You were right, thanks for your help. The control board was bad. That is what I suspected, but I wanted a second opinion."

heatman101
  • 43501 Answers

SOURCE: Amana AFF2534FES freezer has frost on back wall,

Hi,
There are a few reasons why the refrigerator part will not cool...here are a couple of tips that will help you to figure out why the refrigerantor is not cooling...

Refrigerator2_bing.gif not Cooling or Fridge not Cooling
http://www.fixya.com/support/r3662945-refrigerator_not_cooling_or_fridge_not

How to Defrost Refrigerator Defrost Timer Problem
http://www.fixya.com/support/r3771673-defrost_refrigerator_defrost_timer

heatman101

Posted on May 27, 2010

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