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Replacing a conventional defrost timer with adaptive defrost assembly 61005988

I want to replace a conventional defrost timer with adaptive defrost assembly 61005988.  The defrost timer has 4 prongs with the standard prong assignment (3  4 1 2) however the adaptive defrost assembly has 6 prongs.  Can you tell me how to proceed.


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The freezer over freezers then defrosts its self

There is a electronic part inside of the fresh food compartment behind the Control Panel that is most likely responsible for this=> 61005988 Adaptive Defrost Control
Click here for photo location of the => 61005988 Adaptive Defrost Control The way you explain I believe you are saying it freezes over and then decides to defrost. The defrost thermostat and defrost heater also maybe the reason. I go by the odds but in your case the ADC causes a more erratic symptom's


61006199 Defrost Heater Assembly

Sometimes these projects seem harder than usual but I will be here to guide you through the repair. Just remember to unplug refrigerator before working on any electrical parts, Please rate my solution, Thanks, Sea Breeze

Mar 12, 2011 | Maytag MSD2756G Side by Side Refrigerator

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I want to replace a conventional defrost timer with adaptive defrost assembly 61005988. The defrost timer has 4 prongs with the standard prong assignment (3 4 1 2) however the adaptive defrost assembly...

Good day,
You can go from an adaptive (electronic) to a conventional timer, but not the other way.
I've done many.
The reason why, is initial cost and long term dependability. My experience is, electronics have no business in a device where dependability is it's most important virtue. As well, you would unlikely ever hope to recover the initial cost, even if it was possible.

You can ask for additional opinions, but I strongly recommend you look in other areas outside of 24/7 appliances to find savings.
If you scroll around this site, I think you'll find that electronics are at best a net zero gain, if in fact a negative for the consumer.

Sep 22, 2010 | Maytag MSD2758GEW

1 Answer

How to test defrost timer

Yours appears to have come with a Adaptive Defrost Control Part number 61005988 Usally when they go bad being electronic strange things happen.Defost stops or a fan and compressor. They are the most likely reason for defrost failure on your model. On the ADC for your model I dont believe you can manually get it to work for you. Just Replace, Thanks, Sea Breeze

Mar 25, 2010 | Maytag MSD2756G Side by Side Refrigerator

1 Answer

Where is the defrost timer on a maytag msd2556aew refridgerator?

HI. This unit is not equipped with a traditional timer. Your unit has, what is called an Adaptive defrost control board. This device is used to regulate the defrosting cycle, and heater assembly. The part number is 61005988, and it is located in the control housing section of the unit, just above the heat shield section.

Click here to see a picture of the module.

Oct 31, 2009 | Maytag MSD2756G Side by Side Refrigerator

2 Answers

Freezer is icing over and fridge is not keeping food cold

I really believe your adaptive defrost located inside the fresh food compartment and inside the control panel is defective. It puts your refrigerator on a timely defrost and if defective this problem you listed in your post happens. Yes we may need to also check the defrost heater and defrost thermostat but with my experience with that type of Adaptive Defrost Control is famous for its failure.
ADAPTIVE DEFROST CONTROL Part Number 61005988 You can find it located on two of my websites. Some models like yours came with a Defrost Timer. We will need just look inside the control panel and see for sure. Here is a photo of the Adaptive defrost. If you should need to contact me please send an email or try to answer here. Problem is I don't get notifications when someone comments.

Please rate and ask me as much as you like. Thank You, Sea Breeze
Part 61005988


Aug 10, 2009 | Jenn-Air JCD2389G Side by Side...

1 Answer


Most are inside the fresh food compartment. Some have defrost timers and others have the Adaptive Defrost Boards. Your model number will look like MSD2758GEW for example. Sea Breeze

Jun 22, 2009 | Maytag MSD2758GEW

3 Answers

Maytag fridge defrost timer location

If this unit has the temp controls in the middle top of the fridge then it is in there.

Dec 24, 2008 | Maytag MSD2456G Side by Side Refrigerator

1 Answer

Where is the defrost timer on a maytag msd2756ges refrigerator?

its not a timer , but an adaptive defrost control board, in the upper rigth hand side of refrig compartment, atop the control housing heres the part number 61005988

Dec 03, 2008 | Maytag MSD2756G Side by Side Refrigerator

2 Answers

Jenn-Air fridge not cooling

we had same problem with brand new refrig.

Serviceman just left - he replaced part  with label


61005988. I hope this works.

Aug 13, 2007 | Jenn-Air JCD2295K Stainless Steel Side by...

3 Answers

Noise in upper right (roof) of Frige

Replace the Maytag 61005988 Adaptive Defrost Timer Assembly. It controls the defrosting od the coils. See below what happens when it goes out.

Mar 14, 2007 | Maytag MZD2766GES Side by Side...

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