Short guides from our technicians' notes: what to check, what to leave alone, and when a Sub-Zero needs a visit.
A new sound from the machine compartment of a Sub-Zero is worth describing carefully. Clicks, hums and rattles usually lead to very…
A legacy Sub-Zero 600 or 700 Series unit is not automatically a lost cause. Here is how we think through repair versus…
Refrigerant work is not a weekend project. Federal rules require certification, and the sealed system carries real physical risks. Here is what…
Dust on the condenser traps heat and makes a Sub-Zero run longer than it should. Here is why the coil matters, how…
An overdue Sub-Zero water filter can slow the ice maker and weaken the dispenser. Here is how often to change it and…
The magnetic gasket around each Sub-Zero door does quiet, constant work. A little cleaning and an occasional paper test can spare you…