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I am looking at my damper control and cannot see what part(s) actually move. Should I be able to watch something move?
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Originally Posted by: t_mil  ...My evaporator in the refrigerator will ice up approximately every 30 days...
...It currently has a mainboard WR49X10147 installed. Sticker on back says to use WR55X10156 and current part from GE is WR49X10152...
...Right now, there is ice around the styrofoam block where the FF evap line enters ther refrigerator...
...Not having confidence in the mainboard part number I bought the WR49X10152 mainboard from this site and was sent the WR49X10147 board in a box labeled WR49X10152...
I have asked to have another board sent to me and that should be here in a few days... Hi Tony, The difference between the main boards WR49X10147, WR55X10156 and WR49X10152 is: WR49X10147 is the part number for the original main control board. In order to correct some problems with this board GE designed a kit with the part number WR55X10156 , which later has been replaced with the control board kit WR49X10152. This kit includes the control board WR49X10147, some other parts and the installation instructions. According to the problem you described, it is possible you do not need a new board at all if it looks like the problem described in the GE Technical bulletin (first page in the attached file). The solution in such case is to install the icing kit. - The icing kit Part number: AP4315424
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Gene,
On page 19 somebody with a Kenmore 596.69872990 had a problem that you diagnosed as a faulty defrost timer. I have my the back panel off of my freezer compartment and the rear panel off of the compressor compartment, but can not find a defrost timer. I believe I have correctly identified the defrost thermostat as being the small canister with pink and brown leads clamped to the coolant loop in the freezer area. Diagrams (poor ones) have not revealed the location of the timer, can you help with this? Is it at all possible that this model does not have a defrost timer? Also, is there any value in testing the continuity of the thermostat (presumably with the heater in series, but I have not located that either) before testing the timer? I got a resistance of 55.9 kOhms for cold conditions.
Thanks!
--Stewart
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Stewart,
What is the complete model number of your refrigerator?
Gene.
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Gene,
The model# is 596.69872990
The MFG # is P1320701WW
S/N# 0005172484
Other nameplate info: Listed Household Refrigerator 165A;
LR9092
EEV99387
4.25oz R134a
7.10A
I hope this is enough, because it's all I've got:)
Thanks!
S
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Rank: Member
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Gene,
The model# is 596.69872990
The MFG # is P1320701WW
S/N# 0005172484
Other nameplate info: Listed Household Refrigerator 165A;
LR9092
EEV99387
4.25oz R134a
7.10A
I hope this is enough, because it's all I've got:)
Thanks!
S
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Rank: Advanced Member
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Stewart, The defrost timer is located in the machine compartment and is shown as #342 on the diagram. The defrost heater is shown as #43 on the diagram. It's better to disconnect the thermostat from the heater before you check them for continuity. The thermostat should read about 0 Ohms resistance and the heater should read between 30 to 50 Ohms approximately. - The defrost timer Part number: AP4246797
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Rank: Member
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Gene,
After locating the defrost timer I triggered the cycle, and after about 15 minutes I heard the sizzling sound, which sounds a little bit more like a vibrational rattle to me. As you seem to be quite the expert:), can you explain the origin of the sound?
Also, I used to live in Tustin and am referring everybody I can to Mr. Magic.
Thanks so much for your help!
Best,
-Stewart
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Rank: Member
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Gene,
Thank you, I will order the Ice Ball kit and hold of on installing a replacement mainboard.
One question though, what is the method I would use to verify that the defrost cycle is actually happening on the correct schedule?
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Rank: Advanced Member
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You are welcome Stewart.
The defrost timer, used in your refrigerator, is 8 hours timer. That means it switches to defrost every 8 hours for about 20 minutes. At that time the compressor turns off as well as both fans.
The sizzling sound produced by the water dripping on the hot defrost heater during the defrost cycle.
Gene.
P.S. Your referrals are very appreciated.
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