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Thread: NS-RTM12SS7-C Need help identifying Insignia fridge GE-built?

  1. #1
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    Default NS-RTM12SS7-C Need help identifying Insignia fridge GE-built?

    Model Number: NS-RTM12SS7-C
    Brand: other
    Age: 1-5 years

    Hi there,

    I need to repair an Insignia fridge that defrosts a bit too aggressively. Even with only light frost on the evaporator (technically no need for defrost), auto-defrost turns on. While the freezer is normally around -10, during defrost it shoots past +7, way too high, spoiling frozen food in the process.

    Insignia is Best Buy's home brand, and BB doesn't sell officially sells spare parts. However, the fridge appears to use GE / Haier / Midea parts, and is superficially similar to models GPE12FGKWW or WHD-423FW1.
    Attachment 43186
    The controller housing appears on some GE compact fridge models. Controller is sealed inside a secondary enclosure that doesn't have any marking on the outside.

    Problem is, I can't find any parts for these alternative models, either.

    Can anyone help me identify this fridge?
    Also, what would be the most likely culprit with the malfunctioning defrost?

  2. #2
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    Default

    Hi,

    You photo didn't come through, please upload it again.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
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  3. #3
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    Default

    Should be there....

    Click image for larger version. 

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ID:	43195

  4. #4
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    Default

    Yes, I see now.

    I can't locate any tech. data information or parts for this model either. I don't know what to tell you, unless you go back to Best Buy and see if they can find anything on it parts wise.

    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

  5. #5
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    Default

    And what about the other, similar-looking models?

  6. #6
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    I don't know, I will ask the other techs if they do know.

    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
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    Arrow By Midea?

    Some Insignia major appliance models are made by Mabe (GE Mexico/Canada). That one however looks like it’s made by Midea. A simple Google search turned up this:

    LINK > https://encompass.com/model/ISGNSRTM12SS7C

    It lists this:

    17131000000175 Insignia Main Control Pcb
    17431000001412 Sensor (Defrost)





    Dan O.
    Last edited by Dan O.; May 18th, 2019 at 01:37 PM.

  8. #8
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    Thanks Dan for assisting Cubytus on this!

    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
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    Default

    Thanks Dan, much appreciated!

    I had a look on the Insignia NS-RTM12SS7-C, the parts all say "not available", but cross-checking part
    17131000000175 Insignia Main Control Pcb, it also fits Midea NS-RTM12SS7CREF, and part seem available. Go figure.

    Still, the control board is naked on Encompass' website. Mine sits in a small enclosure (see picture). If I were to replace the board, I guess I'd have to crack it open?

    Now, what would be the most likely culprit with this fridge "overdefrosting"?

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