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Customer Questions and Answers for Adaptive Defrost Control Board by Frigidaire

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    • Part Number: AP4909015
    • MFG Part Number: 5303918476
    • Made by: Frigidaire
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Questions & Answers

For Frigidaire Adaptive Defrost Control Board (Part Number: AP4909015)

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My freezer/fridge is not working correctly, not cooling. I hear a buzzing sound for about 5-10 seconds every few minutes. The sound is coming from the compressor on the back of the machine. Fan next to compressor is working, I cleaned the condenser coils next to the compressor to be safe. Compressor is hot, not too hot, but not "warm" (not sure what would be warm vs. hot). Not too hot to touch. Plugged the fridge in and turned it on. Left it for a couple hours and checked the evaporator coils and they are frosting up just fine. After a few more hours, right before I went to bed, I heard the click/buzz cycle by the compressor again. Checked for frost on the coils and no frost...Checked again this morning and freezer is not as cold, no frost on coils. So it sounds like the compressor and fan on back bottom is working fine, but unit is not kicking back in after defrost cycle. WOuld this mean a new adaptive defrost control board? I have a new PTC starter and capacitor on order since I thought those could be the culprits at first (and it's cheap). Thanks for any insight.

Nate for Model Number FRS26H5AS

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My evaporator coil is icing up, preventing airflow from the freezer side to the fridge side. I replaced the defrost thermostat but that did not solve the problem. Is the next step replacing the adaptive defrost control board?

Doug for Model Number PLH537EESB0

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The freezer fan cycle on an off one to two seconds continually. Temperature in freezer and refrigerator is okay. Occasionally fan will continue to run for a period of time? What can I do to correct this? Is the adaptive board defroster the problem?

Gary R. for Model Number FRS26LF8CB0

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My freezer won't cool past 20 degrees (at coldest setting) and fridge side won't cool past about 45 degrees. The compressor starts and runs, both the evap fan and condenser fan are running at very good speeds (good airflow). I checked the thermostats with an OHM meter and they seem to be OK (I even replaced the freezer stat as I had a new one and no difference). I then when to the evap and checked to see if it was iced up. I did have some icing on the top 1/8 of the evap, but the rest was clean and not iced up. This make me think the defrost thermostat is working, I'm going to test that today. I'm thinking its the Adaptive Defrost Control board but don't want to buy a $100 part to find out I have the same issue. Does it seam like I'm leaning towards the right solution? Thanks, Mike

Mike for Model Number FRS26H7CW4

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Freezer does not hold temperature. Runs fine for a couple of days and then warms up. The fan runs all the time. If you move the control setting for the freezer the compressor kicks in and the freezer cools right back down. If you keep a eye on it and catch it before it get to warm you can keep ice frozen. coils do not appear to be iced up

Jethro for Model Number PLHS267ZDB7

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I replaced my ADC control it ran well for a couple days and then went out again. The compressor and the condenser fan would not run. I replaced the ADC control again within a 3 day time span and it started operating again for another couple of days. I changed the harness along with ADC can anyone help?

Bill for Model Number frs26rlecsa

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I've replaced the defrost timer board and my fan still isn't coming on. What do I check next?

Will for Model Number frs26hf6bw0

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Had ice on my fan and was chipping it off with a knife. ( I know I shouldn't be doing that but it is what it is). Don't ask me how but as I was doing this the knife jumped the 2 prongs at the fan motor and the fan instantly stopped. Would that have shorted the fan or the defrost control board? What is the correct voltage output for the fan? I checked the voltage coming from the plug and I only get around 28 volts.

Dan for Model Number glrs264zaw

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I have a bad ADC I can see its burnt up. My fridge was manufactured in 2004, do I have the latest wire harness or would I have to use the new harness that comes with the replacement for 241508001?

Dave for Model Number Kenmore side by side by fridgidaire

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Thank you for any help in advance. My evaporator coils were not defrosting. I changed the old ADC 241 508 001 with a new ADC 530 391 8476 (Orange). My refrigerator has a single switch damper, so I did NOT change the wiring harness as stated in the instructions. This corrected the defrost problem, but now the refrigerator freezes over even on the warmest setting and turning the control knob will not affect the damper. I ran a test by putting the original ADC back in and turned the control knob and I could hear the damper open and close. I put the new orange one back in and the knob does not affect the damper with it in. I considered putting the new harness on, but it has extra wires on it so I did NOT switch it. The parts store switched out the new ADC with another and same problem. They do not have a solution. I called Electrolux and they do not have a solution. Does anyone know what the fix is? Thank you. Bud

Bud for Model Number FRS 6 LR 5 E M 6

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