Question about Sub-Zero Bottom Freezer Refrigerator

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Subzero 550 iceing under the crisper drawers. drain seems to be open

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Call a servicer to determine if a mullion heater is called for.

Posted on Aug 05, 2009

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Refrigerator compartment Floor Warming Heater kit should be installed. The same aka Mullion heater.



http://www.SubZeroLosAngeles.com

Posted on Aug 24, 2009

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SOURCE: ice acculation under crisper drawers

No. There is, however, a drain hole in the back center that tends to get plugged. Remove the lower two drawers and see if it is plugged. It drains to a pan under the unitand behind the kickpanel

Posted on Oct 18, 2008

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1 Answer

Why is water leaking from the inside bottom of refrigerator?


Hay Lola , your drain hose is clogged open the back panel and blowdry all the ice until the water drains good luck APPLIANCES R EN

Mar 14, 2013 | Magic Chef Refrigerators

1 Answer

Ken more refrigerator has no ice maker but water is pooling under the crisper drawers. Model c21tfa95


Check the drain channel at the rear of the fridge just above the crisper drawers and blow through the drain hole with a drinking straw to clear it.

Jul 02, 2012 | Refrigerators

1 Answer

I have a sub zero (model 550) bottom freezer. Moisture appears to gather at the right side of the freezer then ices up to the point that the drawer can not be opened. I have replaced the drawer seal and...


I had this problem several times and have learned alot. Hopefully some can benefit from my learning and mistakes.

On the inside of the freezer on the right is a drain tube. The defroster cover flows into this little drain. This drain goes into the pan at the bottom of the freezer, and the water evaporates. My subzero 550 had an old drain heater already in there, but obviously not working properly.

First, defrost the freezer completely. I had also poured hot water down this little tube, but this takes too long, and doesn't clear the drain completely. Also, see if you can tolerate turning the freezer temp setting down. I had mine at 1, and it was sufficiently cold. With this simple method, note the weeks /months until it happens again. If you can live with this, you are done.

If not, order a drain heater (contact Clarke Customer at 800-305-0722 and order item number 4202160, Freezer Drain Heater - under $40). I installed this and got some success, and am still counting the weeks after 8 have already passed.

Good luck

May 16, 2010 | Refrigerators

1 Answer

Large ice block is forming behind the fruit drawer.


i assume you have a model 650 or 550. Your drain line has clogged then frozen. You need to defrost the ice then clear the drain line. I usually knock a majority of ice away then defrost the rest. Once you have defrosted the line you need to clear it. I use high pressure nitrogen to blow them out, but a turkey baster will do just fine. Fill the turkey baster with water, disconnect the drain line from the drain trough. While holding the baster into the drain line squeeze the bulb to force the water into the line. It may take a couple of tries. Reconnect the drain to the drain trough and you should be all set. If you let this go too long the insulation may be saturated and you will have to have a tech install a drain tube heater kit. If you have questions call the factory at 800-222-7820 or go online to the locator page: http://subzero.com/locator/locator.aspx?type=0&zip=Zip%20Code

Feb 21, 2009 | Sub-Zero 650 / O Bottom Freezer...

1 Answer

The refrigerator has a bottom freezer and the door won't open. Help


My Subzero 550 did this: The right side of the freezer has a drain that is plugged with ice. When the freezer defrosts the water runs down the inside of the box and onto the drawer rails, where it then freezes. The drain tube is normally kept ice free by an aluminum strap wrapped around the copper defrost tube in the freezer heat exchanger, which runs down into the drain tube. Over time the copper defrost tube gets some surface corrosion and the aluminum strap doesn't get warm enough during the defrost cycle to melt ice in the tube. If you can get it apart, you can clean up the tub surface with steel wool, or buy the electric defroster for the drain tube to replace the aluminum strap.

Oct 21, 2008 | Refrigerators

1 Answer

Ice acculation under crisper drawers


No. There is, however, a drain hole in the back center that tends to get plugged. Remove the lower two drawers and see if it is plugged. It drains to a pan under the unitand behind the kickpanel

Oct 16, 2008 | Sub-Zero Refrigerators

2 Answers

Sub Zero model 550 bottom Freezer/ Refrigerator. The freezer section keeps freezing up and the drain off water runs down the inside across the rail frezing the door shut. No matter how many times we...


Clarkk I have seen this many times. Your drain is clogged. If you pull the drawers out and pull the top cover you will see the evap. On the cover you will find a nozzle that goes to the drain. Use some compressed air and blow out the drain. In some cases there will be some silicone that will need replaced. You can get a food grade silcone sealant at a hardware store. Hope this helps.

Aug 09, 2008 | Sub-Zero Refrigerators

4 Answers

Subzero 550 water drain in refrigerator section backs up


The problem is that the water freezes in the drain, either because the door is not sealing good, it's open too often or there is mold in the catching tray and tube. Best solution is to take a turkey baster (pump), disconnect the flexible tube from the tray, by pulling down, take a large cup with very hot water mixed with a spoon or 2 of Clorox, fill the baster with that mixture and pump it on the drain tube. You have to do it several times, water will come out, but do it until you hear a "woosh" sound and the water goes freely on the drain. Also spill some of that mixture in the tray so it kills the mold.

Apr 04, 2008 | Sub-Zero Bottom Freezer Refrigerator

4 Answers

Sub-Zero 550 water dripping on right side of freezer forming ice on draw


I had a similar issue that started about a year ago with my Sub-Zero 550. My freezer gasket actually tore after several times of freezing closed. I thought that a new gasket would solve it, but a second but related problem developed where I was getting alot of condensation under the left side of the unit, with the water dripping onto the floor...eventually staining the hardwood floor in front of the unit.

I traced the problem to a clogged condensation drain pipe in the refrigerator. It is a corrugated pipe that drains a trough behind the crisper drawers. My pipe was clogged with black sludge and frozen down below. The condensation in the fridge would overflow out of the trough and leak below the crisper drawers, down out through the gasket.

To resolve, I used a piece of solid thin wire folded in half and twisted with a small loop at the end to fish out as much sludge as I could. Then squirted hot water into the pipe until it totally unclogged. I believe this will solve the problem without any need for a heater underneath the unit. The 550 worked fine for 4-5 years before this happened.

Jan 14, 2008 | Sub-Zero 650 / O Bottom Freezer...

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