Sub-Zero 550 - freezer unit is chilling, but not freezing
I have a Sub-Zero 550 bottom freezer unit, and I recently took the ice tray out as the old ice cubes had frozen in to a big block. Simply replaced the ice tray after that but two things went wrong after that
1) the Ice maker stopped making ice
2) the whole freezer unit is just chilling, not freezing any more. I emptied the whole unit, cleaned it, and re-started that with just some water in a mettalic tray, and even after 24 hours, the water is not frozen completely, it just has a thinn layer of ice formed on the surface. Both the freezer section and the fridge are set to 4 on the dials
Re: Sub-Zero 550 - freezer unit is chilling, but not...
Ice maker was intermittent at best - ice was often just a shell. After
two failures to correct we had the ice maker (a Whirlpool - on a Sub
Zero - Go figure) replaced. Then the paddle that detects the ice level
broke. Next step a new GE.
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buy the water valve and the ice maker. replace. water valve locate in the bottom part of the unit. remove kickplate. (left side blue color). ice maker little trick to replaced. (special the 2 screws in the upper part.) call 1800 222 7820. subzero. for your closest store
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
You probably need to defrost freezer - frozen moisture possibly stockedevap. fan motor in the freezer. Turn it OFF for 24 hours and start itover. Make sure no moisture condensation on the freezer compartmentsurfaces as walls and shelfs. If so wipe it out. Pull out and remove upper basket from the freezer, push fan switch which is located almost under ice maker.You have to hear evaporator fan motor start working. Still not work? Call to professionaltechie! Good luck! :)
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.
When my repair tech came out, he showed me that the fill tube sometimes retracts toward the rear of the freezer. He simply pulled it forward with a pair of needle nose pliers until it rested in the delivery reservoir. This placement allows the detector to know when the tray is full and shut off; thus not overfilling the freezing tray and/or splashing additional water onto the freezer wall and into the ice cube drawer.
I had the same problem. I found the piece of plastic in the ice tray and couldn't figure how to put it back. I ordered a new ice flapper from the parts place on the internet and installed it. The ice maker now shuts off. Good Luck.