Question about Sub-Zero Bottom Freezer Refrigerator

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Freezer drain the drain tube in the freezer unit freezes up every 2-3- weeks, having to thaw and and blow out with high pressure air each time. the aluminum warming strip is still in place in the tube. would threading an 18 gauge copper wire (thermostat wire) down entire length of tube attaching to defrosting coil to keep tube de-iced help or create more problems. thanks rick

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  • lin stein Sep 22, 2008

    As of late, my freezer, (right side only) has a build-up of ice on the freezer bottom lining and ice accumulates on the roller pull-out section. Then I notice water on the floor. I have defrosted for about 2-3 days then restart the freezer. It works for about 2 months and then it happens as described again. I had a repairman out about a year ago, and he suggested the above. He cleaned the unit, etc at a cost of over $300. I know it was a rip off, but it's happening too often now. Could it be the defrost timer needs to be replaced?

  • Anonymous Sep 23, 2008

    What is the correct position for the aluminum warming strip? I have the same freezing tube problem.

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I thinkyou just need to take a look at replacing the defrost timer. Sounds to me as if the defrost timer is malfunctioning. It's an inexpensive part considering the cost of replacing an burned out unit or even a reapirman bill. Check into that first, let me know if you require more assistance.

Posted on Mar 16, 2008

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