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Thread: Sub Zero Model 690 Refrigerator

  1. #1
    Join Date
    May 2006
    Location
    Rhode Island
    Posts
    2

    Question Sub Zero Model 690 Refrigerator

    My sub zero model 690 refrigerator (3) three years old has given me a blinking code on the display panel. It says "service" and where the temperature is displayed, the temperature goes from 38 degrees to "EC". Anybody know what this is before I call for a very expensive service?

  2. #2
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    70,391

    Default

    Hi,

    I don't know anything about Sub Zero Repair, but you can e-mail the RepairGuru to see if they can help you with this issue.

    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

  3. #3
    Join Date
    Jun 2006
    Location
    California
    Posts
    1

    Default Solved similar problem with Sub Zero Model 650

    Our Sub-Zero 650 got a Service message last night with a "21 EC" error code. The fridge temperature was in the sixties.

    We phoned Sub-Zero at 1-800-222-7820. It was 10pm on a weeknight Pacific Time but someone answered.

    He said to clean the condenser. We did and the Service and EC messages disappeared. But the fridge temperature only went down to 48 overnight.

    Two guys from tthe appliance store came over this afternoon and replaced three worn-out parts, including a heat exchanger manifold of an old design. They installed a new manifold that they expect will hold up much longer.

    The unit was three years old--within warrantee--so there was no charge.

    Error codes (EC) for Sub-Zero 600 Series refrigerators

    05-08: Refrig. Cabinet, Refrig. Evaporator, Freezer Cabinet or Freezer Evaporator Thermistor open or shorted for 10+ seconds, or repeatedly read erratic temperatures.

    20: Defrost Under-heat with No Voltage Feedback Through Gray/White Wire at Defrost Start.

    21: Defrost Overheat (this was our problem).

    22: No Voltage Feedback through Gray/White Wire at Defrost Start.

    23: 21 and 22 together.

    24: Defrost Under-heat.

    30: Excessive Icemaker Water Valve Solenoid Activation (longer than 15 seconds).

    40/50: Excessive Freezer/Refrigerator Compressor Run.

  4. #4
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    70,391

    Default

    Thanks for the good information!

    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
    Join Date
    May 2006
    Location
    Rhode Island
    Posts
    2

    Default

    Thanks for the great information. Now I have the 800 number. I too cleaned my coil. I had a Frigidare refrigerator that I paid $500 for before this for 20 years and never did a thing to it. Amazing what $7000 will buy you. Thanks again.

  6. #6
    Join Date
    Apr 2008
    Location
    Orange County, CA
    Posts
    36

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