Question about Sub-Zero 632 / S
We replaced the refrigerator thermostat in a 550 sub zero thermostat but now the temperature varies wildly. It goes from 20 to 44 to 35 etc. Checked it every few hours over three days.
Thanks in advance. . .
SOURCE: ice maker
verify the water supply to the valve first, second verify valve to icemaker works(unit has dual valve at rear bottom of fridge, switch plugs, then press water dispenser and see if icemaker fill with water ) if fills icemaker is bad , if not valve is bad. replace one or the other.
Posted on Mar 28, 2008
Sounds like your freezer drain is blocked up. You will require a freezer drain heater kit for this repair. It was a common problem for this unit and can be a easy fix. However it does take some patience to fish the heater down into the drain pan.
Posted on Mar 31, 2008
SOURCE: Sub-Zero 550
I had the same problem with my 550...several times the tech came out and used a steam machine to blow out the drain...which didn't solve the problem. Finally, they ordered a refrigerator drain heater from sub-zero (part#4201290) and this finally fixed the problem. Hope this helps...I'm not a tech, just a customer. K
Posted on May 19, 2008
SOURCE: ICE MAKER SUB ZERO REFIGERATOR
Check water turned on. check ice button switch turned on in fridge. remove juice storage, ice container in freezer, check ice bucket full white plastic flapper to make sure not stuck on a white peg at top. flapper must hang down and be freely movable to signal ice maker to keep busy. If up high will turn off ice maker. Lots of other parts especially heater circuits involved also: fill tube supply heater not working then frozen supply line then no ice. Look for wiring diagram in ziplock behind compressor grille. can order parts at repairclinic.com. logical design, layout, easy to get to sensors, heaters. makes sense if look at it long enough.
Posted on Jun 01, 2008
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