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Re: 550 Sub zero
Your drain is clogged or frozen over,the drain is most all the time in the middle back bottom of freezer,you might have to remove the freezer back wall to get at the drain,use a hair dryer to melt the ice and a metal hanger to clear the drain,let me know how you make out-mike
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The hose that goes into the drip pan to defrost the refer is plugged with stuff. take the back off and see the hose connection.A coat hanger works well.Usually a 1/4" hose. Also see where the bottom of the freezer drains into the drip pan.That may be plugged,also. The temp may be set too low and the condenser is frozen up,leaking water into the floor.Just ice stuck to the condenser. Possible that the condenser FAN stopped turning. That will ice up and melt at random: see/hear that the fan is working. If stuff gets into the fan,it will ice up,melt and make a mess on the floor.
Right hand side wall in the freezer - take a look- any frozen water or moisture? Need check a drain line, usually defrost heater inside the freezer wall getting bad and draining water just freezing inside of it.
The drain line has been clogged. There is actually a defrost heater kit for that problem if you can get the obstruction out. Did you call factory at 800-222-7820 or a local factory authorized servicer? The drain is accessed by removing the fan shroud and evaporator cover. There are a number of of phillips head screws that hold this in place. Once you have removed the two cover you will see the drain tube on the left side of the unit. I use a hair dryer to start defrosting the tube. If you have another freezer in the house it is easier just to turn the freeezer section off for a day or so. I use nitrogen to blow the line out from the bottom once everything has defrosted. Test for water flow, then put unit back together. Call the factory at the number above for the heater kit part number and they will also give you the local authorized parts supplier. The locator web address is http://subzero.com/locator/locator.aspx?type=0&zip=Zip%20Code
you can take a ook into the freezer sect its possible that the line has frozen, nad no longer is defrost water going into the drain but rather falling on to the floor of freezer and evnetually out the door
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.
The tube behind the crisper drawers is not insulated well enough and will repeatedly freeze, leaving the water to drain on your floor. The solution is to thaw the tube and put a piece of copper the length of your tube, into the area below. The wire extending into the area below is just warm enough to keep the tube from freezing.