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I have a psd262 maytag refrigerator that the fan and compressor isnt running. I found an open trace to the relay on the adaptive defrost control board. after fixing that the fans now run but i dont hear the compressor running and its still not getting cold.

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6ya6ya
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Posted on Jan 02, 2017

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  • 87 Answers

SOURCE: Amana SCD22JL

It sounds as though you have a refigeration problem if there is no cold on the coil, however you hav sad that you have changed the sensor which would bring in the fan when cold enough. As far as airflow I have been doing this a while on American cabinets and never really consider airflow as a primary failure. If the fan is running and the vents are clear that is normally enough, these fans are not high powered and the cabinets have a large volume. What you could try is leaving the door open whilst observing the coil and see if it frosts right through the coil without the fan running. If it does then it should pull down to temp. Hope this helps, unfortunately without seeing things its hard to give a definitive answer.

Posted on Aug 17, 2007

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fridgetech
  • 473 Answers

SOURCE: Maytag MSD2356 Freezer frosts up quickly, fridge warm

If you jumped the defrost board and it went into defrost then that board is bad. I assume by "freezes up" you are talking about the evaporator is frosting up? That defrost board puts it into defrost automatically. If you have to jump it to get it go into defrost then the board is not doing its job.

Posted on Nov 16, 2007

aborcass
  • 2651 Answers

SOURCE: Freezer/refrigerator compressor running constantly

th ebi-metal is a thermostat which shuts the defrost heater on/off, but doesnt actually put the unit into defrost. if it were bad the defrost heater would never go on resulting in massive build up of ice on back wall of freezer, and noticable refrigeration sect. cooling.. dont know how you know the compressor never shuts down, but if that the case perhaps you have a sealed system/ freon issue. try removing the back panel of freezer section and check the evaporator coil. you shuld have an even frost pattern over the entire evap coil. if theres just frost over the top 1or 2 coils, and the rest of coil is shiny aluminum , thats an indication of a sealed system issue.( 5 year part warr by manufacture) def not a do it yourself issue...but that would,, depending on extent of restriction/loss of freon,, cause freezer to freeze and defrost eratically,and the compressor would be running constantly trying to achieve a good stable temp

Posted on Apr 02, 2008

  • 1073 Answers

SOURCE: 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

Posted on Apr 25, 2008

SOURCE: Refrigerator not cold

Very usual issue - defected defrost control unit - replace it and keep warranty paperwork from part supplier. :))

Posted on Jul 22, 2008

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We have a whirlpool estate top freezer model# TT18SKXRD00. It was working fine until the freezer door stayed open over night. We cleaned it out & let it stay unplugged over night thentried again no...


Your Adaptive Defrost Control may be the cause. The part number is=> 4388931 Defrost Control Board
12_12_2012_9_15_07_pm.jpg

Sometimes the adaptive defrost control board will allow the fans to continue to run as the compressor sits silent. I want someone to also fill the top of the compressor for warmth or heat to the point you cannot keep your hand on top. If the problem is the compressor is too hot to keep hand there and the refrigerator is not cooling you will most likely need to change out the compressor start components. I see you all ready tried the compressor start components. Then you have only the
4388931 Defrost Control Board to replace and it can be found inside the fresh food section behind the controls just above the top shelf, Let me know if compressor was getting hot. I will be here to answer any questions you may have, Thanks Sea Breeze

Dec 12, 2012 | Whirlpool Refrigerators

1 Answer

Maytag MZD2766geb not working.


HI.KATRINA.hummmmm.u mean EVAPORATOR frozen.well think your problem lies with the heater or t/stats.blow drying shouldnt affect it put ol board back and try.and check EVAPORATOR fan too.good luck ALI

Jun 24, 2012 | 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

MZD2766GES No cooling.Stat(slide) set to call.120v to unit.Lights on.No compressor operations.Manually defrost last few months.


Lets check start relay, run capacitor and thermostat. Also need you to pull away from the wall and unplug, remove cover over compressor and then feel the top of the compressor to see if warm or too hot to keep hand there. Should you need a start relay you will need=> 12002784 Relay and Overload Kit

sea_breeze_140.jpg

12002784 Relay and Overload Point and Click Parts If the compressor is cool I want you to check the Adaptive Defrost control=> 12002104 Adaptive Defrost Control Sometimes these parts act like the compressor start relay and stop compressor and fans and even sometimes one or the other. The thermostat should also be checked while unplugged with an OHM meter=> 61005327 Temperature Control Here is a pdf with the locations and should you have any questions I will be here again later, Thanks Sea Breeze

Here=> MZD2766GES

Apr 16, 2011 | Maytag MZD2766GES Side by Side...

1 Answer

Refrigerator an freezer has stop cooling, fan still running


This could be simply the defrost timer is stuck in defrost. I see you mentioned fan but stopped there. If one fan has stopped I need to know before we do these steps Click Here=> Maytag MTF2155GRW Control Panel item number 15 is the defrost timer and should have a hole below it entering the fresh food compartment. Sometimes there is a plastic plug covering hole to hide its opening. Pry plug away and use a flathead screwdriver to turn timer clockwise until compressor either stops or starts. If the compressor stops leave like this for up to 30 minutes. This should be manual defrost. and if it does not come out of defrost gently turn timer again slowly until compressor restarts. If you need to do this the timer will need replaced. Part number=> 68233-3 Now if both candensor and evaporator fans are running I believe you may just have a problem with your start relay/overload part=>12002782 and run capacitor part=> 65889-4 The top of compressor will be very hot if that is the case. Here is a photo location=> Maytag MTF2155GRW Compressor Components number 4 and 6 in photo. If any fans do not work they must be repalaced, Let me know what you find, Thanks, Sea Breeze

Feb 22, 2011 | Maytag MTF2155GRW Top Freezer Refrigerator

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

2 Answers

I have a 10 yr old Maytag side-by-side. Came home the other night and the Freezer was at 40F. What is the most likely problem


to start: make sure refrig is turned on and running.
1.do you hear the fan blowing inside the frzr compartment?
2.pull refrig out and listen for compressor running. is compressor running/humming away or are you hearing a humming sound followed by a clicking sound?if you hearing a clicking sound than mostly
is your relay on the compressor that went out. look for a smal device on the side of compressor w/two or three wires. part# 12002794 $32.00

also make sure there's no frost build on frzr rear wall.that's another problem

Jul 15, 2009 | Maytag MSD2758GEW

3 Answers

Warm refrigerator


I had the same problem with my msd2756ae. We had been using the blow dryer, removing the rear panel in the freezer section, etc.

We replaced the adaptive defrost control board. Solved our problem. It's an easy replacement, located in the refrigerator section, top right---behind the temp. control slide. The hardest part is removing the top panel that holds the temperature slide. Then it's "pull and replace".

May 18, 2009 | Maytag MSD2756GES Side by Side...

1 Answer

The freezer and refrigerator temp is becoming warmer.


The newest defrost feature in modern fridges is the electronic adaptive defrost control board. 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.

Apr 23, 2009 | Maytag MSD2756G Side by Side Refrigerator

1 Answer

Frigidaire FRS23H5AS side by side. condensor fan runs, no voltage to compressor


i replaced the control-defrost adaptive timer pc board after lighting storm and it worked fine for ten days then i turn off may power to my house to reground the house and my frig is doing the same thing fan not running evap freezing fan not running what is going on

Apr 08, 2008 | Frigidaire FRS23H5AS Side by Side...

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