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Thread: GT19DKXJT00 Compressor not starting

  1. #1
    Join Date
    Nov 2017
    Location
    Pennsylvania
    Posts
    1

    Default GT19DKXJT00 Compressor not starting

    Model Number: GT19DKXJT00
    Brand: Whirlpool
    Age: 6-10 years

    Compressor: Matsushita DA51C72RCU6

    The refrigerator stopped keeping things frozen. The compressor does not seem to be starting and gets hot. The 3 contacts on the compressor all give an ohm reading between each other, and each contact does not give a reading when testing for a short using a scratched area of the compressor. I tested capacitance and the farad reading was 2% above the listed value on the capacitor. I thought this meant a bad relay, so I bought a Supco RCO410 and followed the instructions to wire it up to the compressor. However, it still is not starting and still gets hot. I did hear it try to start once though, but it was a split second and I can't get it to do it again. Did I misdiagnose, or did I get the wrong 3 in 1? This was my first time working on a fridge, though I spent many hours trying to learn, I may be overlooking something simple. Thank you all for any help and advice.
    Attached Thumbnails Attached Thumbnails 20171106_165721.jpg   20171106_141625.jpg  

  2. #2
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    21,495

    Default

    Hi,

    I thought this meant a bad relay
    Why was that?
    Compressors are an electrical motor AND mechanical pump all together.

    did I get the wrong 3 in 1?
    Shouldn't be using a 3-1 in most modern compressors!

    I may be overlooking something simple
    Sounds like the compressor is mechanically seized up = new compressor or new refrigerator time.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid
    Yeah I've got O.C.D.....Old, Cranky and Dangerous.

  3. #3
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    27,921

    Default

    OK my friend, when checking the compressor:

    First check for 120 VAC across the two wires going to the compressor. If the voltage is correct unplug the machine and remove the relay/overload/start device from the compressor. The overload should show continuity. The relay should show 3-23 ohms. The capacitor is a run capacitor. It's not necessary for the compressor to run properly. The compressor is a 1/16 hp. The 3-N-1 you installed is too big (1/4-1/3 hp) and it uses a start capacitor. A start capacitor will destroy any circuit boards in the machine and will eventually kill the compressor. If the relay and overload check good measure the compressor windings. These should help:
    Click image for larger version. 

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    - - - Updated - - -

    oops, sorry jeff1
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 31 YEARS
    REFRIGERATION SPECIALIST
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