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Gene		#1701 Posted : Wednesday, August 8, 2012 4:50:18 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		Originally Posted by: JABIII Gene, Yes, I had them out of the unit and froze the thermostat in a block of water. In such situation it should show continuity for a good thermostat. Gene.
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JABIII		#1702 Posted : Wednesday, August 8, 2012 5:15:14 PM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2009(UTC) Posts: 23		Originally Posted by: Gene In such situation it should show continuity for a good thermostat. Gene. It showed nothing, no BEEEP, I believe there was some resistance, Like M-ohms. Now, I ask you, what does this thermostat do, restart the timer after the defrost cycle??? :confused:
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Gene		#1703 Posted : Wednesday, August 8, 2012 6:42:20 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		It is connected in series with the defrost heater and controls the temperature during the defrost cycle. It is closed while the evaporator is cold and opens the circuit as long as the temperature reaches its limit. The defrost timer controls the defrost cycle by the time, providing power to the heater, and has nothing to do with the defrost thermostat. Gene.
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JABIII		#1704 Posted : Thursday, August 9, 2012 3:52:27 AM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2009(UTC) Posts: 23		Originally Posted by: Gene It is connected in series with the defrost heater and controls the temperature during the defrost cycle. It is closed while the evaporator is cold and opens the circuit as long as the temperature reaches its limit. The defrost timer controls the defrost cycle by the time, providing power to the heater, and has nothing to do with the defrost thermostat. Gene. OK, so I gather that the timer is running all the time and the thermostat just turns the heater on and off. I also noticed that with the meter connected to the heater terminals, As I turned the timer, and got close to the "BIG CLICK" the voltage started slowly going up until I hit the "BIG CLICK" then the compreser and fan stop, and the voltage went to 120V and the heater got hot. is all that normal??
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mw2425		#1705 Posted : Thursday, August 9, 2012 2:02:15 PM(UTC)
Rank: Member Groups: Registered Joined: 8/8/2012(UTC) Posts: 2		Thanks Gene. I have not checked for continuity yet, but I think it is likely that the control board failed, since the problem started right after a strong thunderstorm knock out the electricity for five hours. Mike Originally Posted by: Gene Hi Mike, There is no defrost timer in your refrigerator. Defrost cycles controls by the control board inside the refrigerator (#5 at the diagram). Check the defrost heater and the defrost thermostat for continuity and, if there is nothing wrong, replace that control board. Here are the breakdown diagrams and Replacement parts for Amana AFD2535DES REF - BOTTOM MOUNTS | AppliancePartsPros.com Gene.
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Gene		#1706 Posted : Thursday, August 9, 2012 2:41:43 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		Originally Posted by: JABIII ...the compreser and fan stop, and the voltage went to 120V and the heater got hot. is all that normal?? Yes, it is normal. If the problem was really with the defrost then the defrost timer can be the culprit. - The defrost timer Part number: 482493 Gene.
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Gene		#1707 Posted : Thursday, August 9, 2012 2:47:03 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		Originally Posted by: mw2425 Thanks Gene. I have not checked for continuity yet, but I think it is likely that the control board failed, since the problem started right after a strong thunderstorm knock out the electricity for five hours. Mike Mike, You probably right. Especially under such circumstances. - The control board Part number: 12868513 Gene.
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JABIII		#1708 Posted : Friday, August 10, 2012 3:05:21 AM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2009(UTC) Posts: 23		Originally Posted by: Gene Yes, it is normal. If the problem was really with the defrost then the defrost timer can be the culprit. - The defrost timer Part number: 482493 Gene. Gene, Is there a way to test the timer? I know that it seems to be running all the time. (The timer that is.) Also while I'm checking things I will check the thermostst that is in the frige. I assume it should be open cold, about 35deg. And closed warm, about 40 deg. I will let you know what I find out. Thanks for the help so far, Jake
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Peter76		#1709 Posted : Thursday, August 16, 2012 7:27:06 AM(UTC)
Rank: Member Groups: Registered Joined: 8/16/2012(UTC) Posts: 1		I've got the same problem. Freezer working fine but starting to build frost slowly and fridge is warm but slightly cold. Cleaned the coils from the dust build up and all. Sears said its a motor problem over the phone but I wanted to see what others say so here a I am. Can't find a diagram online to see where is where. I have a Kenmore side by side KM WHT SXS, 22CF. Any ideas? Thanks
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Gene		#1710 Posted : Thursday, August 16, 2012 1:33:28 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		Hi Peter, What is the complete model number of the refrigerator? Gene.
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