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maz

Sub Zero 550 refrigerator warmer on top than on bottom

12 posts in this topic

I have frost building up on the back wall at the bottom of the refrigerator. I think this is affecting the thermostat reading and shutting down the fan at top.....thus my items in the top of the refrigerator are not as cold as they should be. Is this a heating element issue?

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Need appliance parts? Call 877-803-7957 now!

No, this is a classic sign of a bad dual bulb cold control in the FF compartment.  Replace it.  Piece of pie.  All good.  

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Item 76, p/n 4201260

 

BTW, that's a good site for SZ and Wolf parts.  I get my SZ/Wolf parts there, too.  

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Got it! Thanks for your help! Where do I send the Kirin Ichiban?

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Got it! Thanks for your help! Where do I send the Kirin Ichiban?

 

 

Donations to my flavorite charity, the United Samurai Beer Fund, are gratefully accepted!  http://beer.fixitnow.com/  

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They can't ship to NJ....I need to find another supplier. Any suggestions?

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I received the part descibed above. Can you provide suggestions on how to go about removing the evaporator panel?  Do I need to remove the fan cover first?

 

Thanks!

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Affirmative.  After removing the evaporator fan cover and pulling the upper crisper shelf forward a couple of inches you can pull the evaporator cover forward from the top but be careful.  There's not a lot of wire that connects to the control.  Once you disconnect the control from the cover you can lift the whole cover up and off of the mounting pegs at the bottom.  From there you'll see how the capillary tube is routed across the center of the evaporator.  Carefully separate the fins until you can remove the old control and install new part.  Reassemble.  New part should come with instructions and mounting clips for bulb.

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Thanks! Of course, I have to remove both the freezer and refrigerator control from the panel. The knobs on the controls are extremely tight, do they the just pull straight off with a pliers?

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Yessir, they are snug.  I'll usually pry them out enough to get a couple of fingers under them and remove.

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Got it .....Thanks! I hope to get to this project tomorrow.

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