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How to manually initiate adaptive defrost control in a Maytag M1txemmww04 model refrigerator

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Are you sure about that model number?

Posted on Dec 05, 2014

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1 Answer

Initiate Maytag model mf12569veq2 defrost cycle


you will not be able to initiate defrost if its not defrosting the problem is one of three things.
control board, defrost heater and defrost thermostat can be found here http://www.repairclinic.com/Shop-For-Parts/a4b4d888747/Model-MFI2569VEQ2-Maytag-Refrigerator-Parts?RCAID=35836
Appliance 911
http://appliance911seabreeze.com

Jul 23, 2015 | Maytag Refrigerators

1 Answer

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.

25311676-hvg3snwqvesmyyt5sfu3t0jd-5-0.jpg
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

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

Does not defrost


Hi and welcome to FixYa, I am Kelly. Not defrosting can be caused by component failure.
Those components being:
1. The adaptive defrost control (Item 13 this link) http://www.appliancepartspros.com/partsearch/model.aspx?model_id=48135&diagram_id=665424#d665424
You can manually initiate a defrost cycle by shorting L1 to test on the adaptive defrost control board for 3 seconds. You should hear a relay click, the compressor and evaporator fan will shut off and the defrost cycle will start. If after about 45 minutes the defrost cycle does NOT terminate then there are other problems. See adaptive picture here for terminal locations: http://www.applianceaid.com/image/mayadaptive-defrost2.jpg
2. The defrost element is open. ( Item 12 this link)
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=48135&diagram_id=628782#d628782
You can check this by reading resistance between the yellow and the White / Black wires on the adaptive defrost connector. No resistance = open element.
3. The defrost thermostat. (Part of Item 12 assy above)
With power off this is checked for 340K ohms or less reading between White Black and Red wires on the adaptive defrost control wires.
4. A slow or NOT running evaporator fan. Resistance of the motor winding is checked from the BLUE wire on the temp control to the orange wire on the adaptive defrost control. It will read around 180 Ohms.
SCHEMATIC: http://www.applianceaid.com/images/mayadaptive-defrost.JPG
The only other thing that can cause problems is a clogged evaporator drain. If it is defrosting though it will cause water to leak out the door of the freezer compartment at the bottom left.

It is going to take a meter to sort out which of the 3 components has failed. Let me know if you need anything more.

Thanks for choosing FixYa,

Kelly


Oct 15, 2010 | Maytag MSD2756G Side by Side Refrigerator

1 Answer

How do I check the heater under the evaporator in my Maytag wide bt side and how do I replace the heater unit?


I am sending the manual and on page 45 at top of page ans section 2-17 tells you the way to change or test the defrost controls. All refrigerators that have auto defrost begin with cotrol/timer/adaptive defrost or Adaptive Defrost made into motherboard, Then you have the defrost heater and defrost thermostat. When looking over your manual you may see things that are not on you model. That is normal or we would have a manual for every difference.

Mar 21, 2010 | Maytag MZD2752G Side by Side Refrigerator

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

2 Answers

Frig side not working on Maytag MZD2766GEW


freezer not defrosting. probably adaptive defrost board in fridge.
take panel off freezer (inside, back panel). if all frozen, can defrost with blow dryer. best to remove fridge control panel (inside, top of fidge). access adaptive defrost board, jump test to f1 (i think) next to test. this should initialize defrost mode. buy new board.

May 23, 2009 | Maytag MZD2766GES Side by Side...

1 Answer

Freezer not properly defrosting


On the adaptive defrost control board...cut the orange/white wire.
This will put the board into a standard 8 hour defrost cycle.

Mar 10, 2009 | Maytag MSD2756G Side by Side Refrigerator

2 Answers

Refrigerator Defrost Troubleshooting


you cannot do this
just check the defrost heater and the bi metal, if they check good then the adaptive defrost control is bad

Apr 25, 2008 | Maytag MSD2656G Side by Side Refrigerator

1 Answer

Trouble shooting defrost system


you can not manually start a defrost cycle
go to the freezer and check the heater and bimetal they are in the evaperator coil if these parts check good then replace the adaptive defrost control

Apr 25, 2008 | Maytag MSD2656G Side by Side Refrigerator

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