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Maytag MZD2665HEW ADC replacement

Hello - I need to replace the adaptive defrost control board in my Maytag MZD2665HEW fridge - I'm looking for either a downloadable manual or just directions on where the board is located in my fridge. Thanks!!

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You will find the defrost control board inside the panel that contains the two turn knobs where you control the temp inside both compartments. It's inside your fresh food section of your unit. Pull the two knobs off, take the screw out of the side and remove plastic piece. Between the two temp controls there is a square box. The board is located inside the box. Take box apart and replace board.

If you would like a parts blowup of the unit, go to www.partselect.com and enter your model number. Select the Control panel to the left. This will give you a blowup of the parts.
Please rate solution

Posted on Sep 10, 2009

Testimonial: "Told me exactly what I needed to know to fix my fridge. Many thanks!!!!!"

  • James Hilton
    James Hilton Sep 11, 2009

    I'm glade I could help and thank you for your testimonial. It makes doing this worthwhile. Have a great day.

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Where are the refrigerator fuses located for a Maytag msd2652keb


Hello;

My name is Peter. I am a retired field service refrigeration technician.

There are no fuses in refrigerators. Individual component failure acts a fuse.

You are locked into defrost.

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PART NUMBER: 67004704 - Cost: $116.00
This is located in the upper right inside your control box.
This replacement adaptive defrost control board (part number 67004704) fits several models of side-by-side refrigerators. The adaptive defrost control board starts and stops defrost cycles as the temperature of the evaporator rises and falls instead of on a set schedule.
Shut off the circuit breaker for the refrigerator before beginning this repair. Also make sure you're well grounded (Rub hands on bare metal), because electronic components can be damaged by discharges of static electricity. The board installs behind the digital display in the control panel. Procedures for removing the existing adaptive defrost control board and installing the new one vary among models.

Dec 07, 2014 | Maytag Refrigerators

1 Answer

Defrost Heater Resistance Range


21.3 ohms is just fine for a defrost heater. this heater is low wattage since it is an adaptive defrost. you could have problem with temperature sensor since you have replaced the board already.

tnx for using fixya,

drcool

Sep 30, 2008 | Maytag MSD2756G Side by Side Refrigerator

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Only lights and water dispenser are working on Maytag MSD2756DEW


overload switch for sure,stops the fridge once you replace that,if it doesnt defrost change the bi-metal

Jul 13, 2008 | Maytag MSD2756G Side by Side Refrigerator

1 Answer

The refrigerator will not cool. It comes on and shuts off but does not kick in to cool. HELP


Hi,
The two most common problems on this model were either the relay to the compressor or the ADC (adaptive defrost control) both parts can prevent the cooling for the unit. Relay kit or ADC. I would visually inspect the relay to the compressor with the unit unplugged, smell it to see if it smells burnt, if so replace it. If it is ok, then I would suspect the ADC board and it will need to be replaced.
Good Luck

Oct 09, 2011 | Maytag MZD2766GES Side by Side...

1 Answer

HOW DO YOU PUT REFRIG IN DEFROST MODE WHEN IT HAS ELECTRONIC DEFROST CONTROLLER


You didnt give the make of the ref.; But your solution is here for most all

The newest defrost feature in modern fridges is the electronic adaptive defrost control board. *Maytag has one version, see picture...to put this adaptive defrost style of fridge into defrost, short with a small screwdriver between L1 and test on the adaptive defrost board, wait 3 seconds and you should hear a "click" noise from the relay and the fridge will shut off and go through a defrost cycle. A close up common way *this* version of the Maytag/JennAir control is wired.
Amana also has a version of adaptive defrost, see info sheet for some help on the Amana version. Press refrigerator light switch five times in six seconds to initiate defrost cycle. Pressing five more times within six seconds will cancel defrost and go straight into the run mode. Similar operation on both bottom mount and SxS refrigerators. After the defrost terminator/thermostat opens, six minutes of dwell time occurs before the compressor and condenser fan motor will operate. After defrost terminator/thermostat open, 10 minutes of dwell time occurs before the evaporator fan motor will operate.
Frigidaire has also jumped into the market with an adaptive defrost board. The fresh food section light switch and light bulb must work. To initiate a defrost cycle, open the door and push the light switch in and out 5 times within 6 seconds. The compressor and fans should shut off and the defrost heater should come on. Open the door and push the light switch in and out 5 times within 6 seconds to remove the refrigerator from the defrost mode and back into a cooling mode.
Frigidaire - referance model FSC23F7DSB3
This product comes equipped with an Adaptive Defrost Control (ADC). To activate manual defrost, press and hold the Freezer temperature UP (WARMER) key while pressing the Fresh Food temperature DOWN (COLDER) key 5 times within 6 seconds. A ?¿½d?¿½ in the freezer temperature window and ?¿½F?¿½ in the refrigerator temperature window will display when the heater is activated. To deactivate manual defrost, press and hold Freezer temperature UP (WARMER) key while pressing the Fresh Food temperature DOWN (COLDER) key 5 times within 6 seconds. ?¿½d?¿½ and ?¿½F?¿½ will be displayed until the defrost cycle is complete. (approx. 8 minutes)
For some Whirlpool refrigerators - some Kenmore refrigerators are made by Whirlpool ( 106.######## )
The refrigerator/freezer defrost system can be checked by manually initiating a defrost cycle. There
are two methods of initiating the ADC Test Mode.
First Test Method:
1. Turn the thermostat off for 15 seconds.
2. Turn the thermostat on for 5 seconds.
3. Turn the thermostat off for 15 seconds.
4. Turn the thermostat on for 5 seconds.
5. Turn the thermostat off for 15 seconds.
6. Turn the thermostat on for 5 seconds.
7. Turn the thermostat off.
In 3 to 8 seconds the ADC should turn on the defrost heater (with the bimetal closed). NOTE: The test mode will terminate when the bimetal opens. If the refrigerator/freezer is already in defrost, Test Mode can be terminated by unplugging the refrigerator/freezer from the wall outlet and waiting 30 seconds before plugging it back in. The refrigerator/freezer should immediately go into cooling mode if the thermostat is closed.
If this first test procedure fails to make the ADC initiate a defrost cycle, try the following procedure to make the ADC begin the Test Mode.
Second Test Method:
1. Disconnect the refrigerator/freezer from the wall outlet for at least 30 seconds.
2. Turn the thermostat off.
3. Reconnect power to the refrigerator/freezer.
Within 3 to 8 seconds the ADC should turn on the defrost heater (with the bimetal close). If the unit fails to go into the defrost mode during this test, the problem may not be with the ADC. A defective bimetal may be the cause of the failure. The ADC will only go into a test mode if the bimetal
is closed. If the ADC senses an open bimetal it will return to the cooling mode within 3 to 8 seconds.
HELPFUL HINT: Upon entering the Test Mode, the relay mounted on the ADC board should turn off the compressor and turn on the defrost heater. Listen for the relay to click.
?¿½ If the relay clicks one time when entering the Test Mode, check for continuity in the defrost heater.
?¿½ If the relay clicks two times, check for an open bimetal.

Maytag S-S Refrigerator MSD2756GEW forcing defrost cycle
I replaced my defrost heater two weeks ago, but the frost built back up on the evaporator coils. Replaced the adaptive defrost board with new ( Maytag p/n 6100598 8 ) board. Want to force a defrost cycle to see the heater work, so I shorted the L1 pin to adjacent pin (now called DOOR instead of TEST) for three seconds and nothing happens. Compressor keeps running, fans still going etc. Tried pressing the door switches 5 times in 6 seconds and that doesn't work either. Any hints on how to get the defrost cycle to initiate?
Hi,
This might help, a copy:
The issue is that some 12002104 ADC boards have been shipped in the 61005988 ADC board box. Do not reorder the board, the 12002104 board will function the same in place of the 61005988, but you must use the forced defrost method for the 12002104. Jumping "L-1" and "door" will not initiate the forced defrost function.
To Initiate Forced Defrost Cycle:
Cycle cold control on and off three times in six seconds. The cold control needs to be left in the closed (call for cooling) position for the defrost system to energize on all platforms. It is not enough to cycle the cold control knob, the contacts must actually open and close (open doors for a period of time if necessary to force the control to call for cooling). In most cases, you can hear the contacts open and close if they are doing so.
To Terminate Forced Defrost Cycle:
Disconnect power for five seconds.
You were right. I cycled the cooling controls three times and it went into a defrost cycle. Thanks.

Aug 08, 2011 | Refrigerators

1 Answer

We have Jenn Air Built In Ref Model# JS48SEFXDA. We had the Power Supply Circuit part# AP4076255 replaced last year. We had a power outage 3 days ago. The fridge and freezer just quit cooling today. The...


The newest defrost feature in modern fridges is the electronic adaptive defrost control board. Maytag/Jenn Air has one version, see diagram...to put this adaptive defrost style of fridge into defrost, short with a small screwdriver between L1 and test on the adaptive defrost board, wait 3 seconds and you should hear a "click" noise from the relay and the fridge will shut off and go through a defrost cycle.


bobicehouse_43.jpg

Jul 24, 2011 | Jenn-Air Refrigerators

1 Answer

Maytag refrigerator.not producing ice .not freezing .not cold enough refrigeratot even though put up temperature to 6@7


When I run into a refrigerator acting like this I start by thinking controls. Controls like defrost, temperature, compressor start components and once I see what it may be I have a look at the likely problem location. Your model appears to have an ADC adaptive Defrost Control=> 67004704 Adaptive Defrost Control
sea_breeze_122.jpg

Here is a photo location of the part=> MSD2652KEB Control Panel
Look inside the fresh food compartment and behind the controls part 12 is your ADC. Once you change that things should begin to get colder providing other parts of the defrost system are OK. Have you noticed ice buildup in back of freezer as a layer of frost building on the rear wall? When you say not cold enough that points to a restriction of air flow caused by no defrost. If I missed anything please let me know. I do think once the ADC is changed you will see it cooling again normally or manual defrost with a hair dryer will keep you for a couple days. Thanks, Sea Breeze

Mar 20, 2011 | Maytage MSD2652KE 26 cu. ft. Side-By-Side...

1 Answer

How do i put this model into defrost? mzd2766gew


The older Adaptive Defrost Control (ADC) boards - short L1 and TEST pins together (you can use the tip of an insulated screwdriver or short length of wire - stripped only at the ends). Newer ADC boards don't have a TEST pin. You can also force defrost by cycling the Cold Control 3 times within 6 seconds and leave it on COLD (this may work only for the newer ADC without the TEST pins).

steve_con_35.jpg

Mar 09, 2011 | Maytag MZD2766GES Side by Side...

1 Answer

Adaptive Defrost Control Bad?


If there is no continuity on the heating element, it is BAD. Replace the heater and the defrost thermostat at the same time.

Aug 02, 2009 | Maytag Refrigerators

1 Answer

Maytag MZD2766GEB refrigerator does not automatically defrost leaving coils to freeze over. I have the "little white box timer" (is this what they call an "ADC" automatic defrost control, that sits in the...


to get to the adc board and it is common for these to go out , you have to grab the plastic cover from the very back of the cover and pull towards the front of the unit , you should see the slots your sliding it off , somtimes it is a bear to slide off..
then after that there are phillips screws going into the roof of the unit , you just have to loosen these and slide the entire control section to the right to unlock from cabinet.
you should see the adc now and its a tight squeez to remove and replace , make sure there is no power to the unit.
Let me know if you have any questions.
Phil

Jun 10, 2009 | Maytag MZD2766GES Side by Side...

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