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Subzero Model 550 Repair

2 posts in this topic

I'm trying to diagnose an issue I'm having with my Subzero fridge.  The problem is on the refrigerator side. The adjustment dial range is from 1-10. Slowly (over the course of a few weeks) I've had to ramp up the dial setting. Originally it was at 4-5, now I have it up to 8. Ambient temp has risen of course...but not enough to account for the drastic changes I'm seeing.  I cleaned the condenser coil, and the door gasket appears to be in decent shape.

The service manual would probably help out if anyone has one. Thanks in advance!

Subzero Model 550

SN- M984879

Mfg Date: Aug 92

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