Question about Frigidaire FRS3R5EMB Side by Side Refrigerator

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PLHS67EESBO not defrosting,,heater & limit OK,,where is ADC ??

Pro series 26 ft.

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  • Shane Hays May 11, 2010

    Hello. I am trying to find out what the problem is with your freezer. It says "... defrosting,,heater & limit..." I need more information.

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Hello. When you say ADC do you mean automatic defrost control, better known as a defrost timer? If so it can usually be found in the top inside of the fresh food compartment, or behind the bottom kick plate. Also the only thing that will be exposed if it is inside the unit is a small dial smaller than the size of a dime and it can be advanced with a flat head screw driver. If it is behind the kick plate it will be a small white, black or clear object with wires coming out of it. If it is a unit with a digital display you will have to call a service man to come out and take a look at it, has it most likely has what is called an adaptive defrost system that is controlled by the computer.

Posted on Dec 04, 2008

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Posted on Jan 02, 2017

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Samsung RS261MDPN not cooling properly


sounds like a defrost issue defrost clock heater or limit could be bad

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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.

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Sep 30, 2008 | Maytag MSD2756G Side by Side Refrigerator

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Fridge working but freezer not


I believe what is happening is your freezer is not defrosting properly and your auto damper is opening just enough to keep the temperatures safe on the fresh food side. look into freezer and the rear wall. Is frost building up on the rear wall? If ye then this is a defrost issue and you will need to unplug and manually defrost with a hair dryer. Don't be afraid to remove the rear panel in freezer so you can see just what happens when defrost is not taking place. I think it is possible that you have a model LSD2615HEW but you will need to confirm before asking for parts. Inside the fresh food compartment and behind the control panel the model LSD2615HEW for example only has a Click Here=> 12002495 Adaptive Defrost Control Board I say example only because I had to assume your model number. This board is the most likely reason for this problem. Sometimes you may see burn marks on one side of board but not always. Click Here for location=> LSD2615HEW Controls and part 12 in photo is the ADC or 12002495 Adaptive Defrost Control Board The only other cause will; be a defective defrost heater or defrost thermostat. The defrost heater is=> 67004188 Defrost Heater Assembly testing of the defrost heater is also in a short tutorial on this same page. Then finally it is always a good idea to replace the defrost thermostat while inside replacing the defrost heater if need. Part number for the defrost thermostat is=> 67004757 Defrost Thermostat and can be found here=> LSD2615HEW Freezer Components If you have any questions I will be here to answer them for you, If helpful please rate this solution, Thank You, Sea Breeze

Oct 30, 2011 | Admiral 26 cu. ft. Side-By-Side...

1 Answer

Fridg. not cooling. digital display not working, frezzer thawing.


he 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.
• If the relay clicks one time when entering the Test Mode, check for continuity in the defrost heater.
• If the relay clicks two times, check for an open bimetal.

Jun 11, 2011 | Whirlpool Refrigerators

1 Answer

We have a Kenmore Elite Freezer Model #253.29082994. We had the freezer plugged in and it was working fine. We unplugged it and moved it and now when we plug it in it won't start. Is there some kind of...


You refrigerator was made by Frigidaire Adaptive Defrost Controls Frigidaire Refrigerator Trouble Shooting and Diagnosing
On the initial plugin, or when power is restored to the fridge after a power outage:
If terminating thermostat is open, the fridge enters a compressor (cooling) cycle.
If the terminating thermostat is closed, the first defrost cycle occurs 1 hour
after initial plug-in.
Maximum defrost cycle time is 24 minutes.
Minimum time between defrost cycles is 6 hours. (compressor runtime)
Maximum normal clock time between defrost cycles is 12 hours.
Maximum time between defrost cycles (in "vacation" mode) is 72 hours.
Vacation mode is not entered unless the door has not been opened in at least 24 hours.
Note that the ADC will only enter the defrost mode if the terminating thermostat is closed. If the terminating thermostat is open when defrost is initiated, the ADC board will wait for six minutes and then return to the cooling mode.
ASSUMING that the fridge has been on and running,
and the terminating thermostat is closed,
defrost is initiated by pressing the door (light) switch
at least five times within six seconds.
The defrost heater should start heating up within 8 seconds.
If the above procedure caused the heater to heat up, the ADC board is probably bad; replace it.
If the defrost heater does not heat up, test the defrost heater, terminating thermostat and cold control for continuity as follows:
Unplug the fridge from the wall. Unplug the ADC board from its connector.
Test the connector for continuity between the following leads:
Defrost Heater = DEF TERM (blue) to DEF OUT (brown).
Terminating Thermostat = DEF TERM (blue) to NEUTRAL (lt blue).
Cold Control = COLD CONTROL (orange) to L1 (black).
Replace the defective component.

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Apr 26, 2011 | Kenmore Freezers

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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 get unit to go in deforst


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.
• If the relay clicks one time when entering the Test Mode, check for continuity in the defrost heater.
• If the relay clicks two times, check for an open bimetal.

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1 Answer

RCD blows every 12 hours when defrost heater cuts in ?


you have a short in the callrod heater or in the wall disconnect the heater first then the limit switch

Mar 19, 2009 | Admiral 26 cu. ft. Side-By-Side...

1 Answer

Coils In Freezer Keep Freezing


check continuity thro defrost heater and check thermal cutout in series with the defrost heater

Aug 03, 2008 | Admiral 26 cu. ft. Side-By-Side...

2 Answers

Wont cool


COULD HAVE A DEFROST PROBLEM CHECK DEFROST TIMER HEATER LIMITER AND FAN . BUT YOU COULD HAVE THE CONTROL TO ALLOW MORE COLD AIR INTO THE FOOD CAPARTMENT CLOSED SET BOTH CONTROLS HALF WAY FIRST AND THEN SEE IF THAT HELPS

Aug 05, 2007 | Admiral 26 cu. ft. Side-By-Side...

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