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Thread: GE Side by Side icing up

  1. #1
    Join Date
    Jul 2009
    Location
    Celina, OH
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    12

    Default GE Side by Side icing up

    My son bought a used GE model #TFX20SA side by side. When he got it home the freezer was icing up on the coils. I have read other posts on here about the heater being the problem and how to check it. I believe the resistance should be below 100 ohms. Is there anything else I should check also. He lives 40 miles away and I would like to help him get this figured out in 1 trip.
    Thanks
    Wink

  2. #2
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
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    69,885

    Default

    Hi Wink,

    There should be about 4 more letters after the "A" at the end of the model#. The model# tag is located inside the refrigerator on the upper walls or ceiling, or on the very bottom frame near the kickplate grille below your refrigerator door.

    Yes, the defrost heater should read between 11-30 ohms, also ohm the defrost thermostat for continuity(while frosty) its clips to the top of your evaporator coil.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

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  3. #3
    Join Date
    Jul 2009
    Location
    Celina, OH
    Posts
    12

    Default Part #

    I checked the defrost heare and it is the faulty part. I looked on your parts page and came up with this part #. 1399613
    I also checked the model # and it is a GE TFX20SABGWW

    Thanks,

    Wink

  4. #4
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
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    69,885

    Default

    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  5. #5
    Join Date
    Jul 2009
    Location
    Celina, OH
    Posts
    12

    Default

    Thanks, ordered the part and will put it in this week.

  6. #6
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
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    69,885

    Default

    Ok, sounds good, keep us posted.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  7. #7
    Join Date
    Nov 2009
    Location
    Washington
    Posts
    4

    Default psi23sgnabs

    I'm having similar troubles to the ones posted, but mine only started after 6 years of pretty reliable use. Now the thermostat doesn't seem to respond to input and the cooling keeps going until the vegetables freeze - going on for about a week. The indicator on the digital readout for the refridge side goes down as low as 29 degrees.

    I have turned off the unit using the controls on the door frame in the refrigerator side but have left the power on. The freezer side is still cooling even though the digital readout says OFF for awhile and then goes dark. There is no schematic with this refrigerator and I don't have any parts drawings. Don't know where to look for thermostats or mother board.

    Am leaving the refrigerator door open now until the ice in the cold water reservoir melts. Then plan to fire it up again tomorrow to see if this works. I wonder if the kit mentioned will really work given the fact that the entire refrig side sometimes got down to 32 degrees in the past week (that's what the digital readout said anyway). Thanks for any advice.

  8. #8
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    69,885

    Default

    It definitely sounds like your motherboard is bad.

    Here's the motherboard for your model you can order:
    Manufacturer part number WR55X10942 is RepairClinic item number 1531075
    WR55X10942

    Its in the back of your refrigerator, pull your refrigerator out from the wall, then take off the motherboard cover#803 here, then your motherboard is #801, Unplug your refrigerator first:


    We have a special program here, all parts you order from our links we post are returnable within 30 days for a FULL refund if they don't fix the problem.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  9. #9
    Join Date
    Nov 2009
    Location
    Washington
    Posts
    4

    Default

    Hello Jake,

    I ordered the part on your recommendation - mother board. Installed it today and the problem appears to be unchanged. After the mother board was installed and the unit plugged back in the refrigerator temp read 35 degrees. I reset the temps to 0 degrees - freezer and 37 degrees - fridge. After about 3 hours, the freezer side is at 0 degrees, but the fridge side is at 33 degrees. Temp is headed down when the setting should have caused it to INCREASE.

    Question - Why would one conclude that the mother board and not a temperature sensor or thermostat is the culprit with this symptom? Or at least is there a good reason why this would be tried first and not replacing the sensor? Are the sensors the probes under the elilptical covers with slots in them attached to the walls of the compartments?

  10. #10
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    69,885

    Default

    Did the new motherboard have the jumper wire already installed in it?

    Question - Why would one conclude that the mother board and not a temperature sensor or thermostat is the culprit with this symptom? Or at least is there a good reason why this would be tried first and not replacing the sensor? Are the sensors the probes under the elilptical covers with slots in them attached to the walls of the compartments?
    Because the motherboard controls the temperature sensor.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

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