Priority symptoms: warm fresh-food side, hollow ice, frost line, alarm display, wine drift, compressor silence.
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Owner rating across our wider Bay Area Sub-Zero service network.
Guides
Repair guides & local know-how
Practical guides on Sub-Zero and Wolf repair in San Rafael — seasonal maintenance, repair-or-replace decisions, and the faults we see most across Marin County kitchens.
Latest first
San Rafael Sub-Zero & Wolf guides
Field notes written for Marin County kitchens — the symptoms we see most, what to check first, and when a documented diagnosis beats a guess.
Sub-Zero Models and series · 5 min
Sub-Zero 500 Series Does Not Make Ice: Causes, Checks and the Serial Tag
A Sub-Zero 500 Series that makes no ice is usually short on water, too warm or switched off. Safe owner checks, where the serial tag is, and what it reveals.
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Cove Not Draining · 5 min
Cove Dishwasher Drain Hose: Routing, Kinks and Drain Codes
How a Cove dishwasher drain hose should run, the 4-foot height limit, the drain codes it triggers, and which checks an owner can do before calling a technician.
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Error codes · 6 min
Freezer Codes on a Built-In Sub-Zero: Reset, Check or Call
What freezer codes and alarms mean on a built-in Sub-Zero, which ones an owner can safely clear, and which always need a technician's diagnosis.
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Water filter · 5 min
When to Replace a Sub-Zero Water Filter in San Rafael
When to replace a Sub-Zero water filter in San Rafael, why hard 94903 water shortens filter life, how to reset and bypass, and filter fault vs ice-line fault.
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Temperature Settings · 7 min
What Temperature Should a Sub-Zero Be Set To? A San Rafael Owner's Guide
What temperature should a Sub-Zero be set to? A San Rafael guide to the correct fridge (38F), freezer (0F), and wine temps, plus why the box can still run warm.
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Wine storage · 6 min
Why a Sub-Zero wine column drifts warm in San Rafael
Warm drift, a confused dual zone, a loaded condenser or a tired gasket — the faults that wake a Sub-Zero wine column in San Rafael, and how a tech reads each one.
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Seasonal guide · 6 min
One town, two climates: maintaining a Sub-Zero in San Rafael
The foggy hills above Dominican and the warm Terra Linda flats wear a built-in Sub-Zero in opposite ways. A San Rafael owner's seasonal maintenance plan.
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Decision guide · 5 min
Wine storage trouble in a Marin cellar: fix it or replace it?
A Sub-Zero wine unit drifting off temperature is rarely a write-off. How we judge repair vs. replace for San Rafael wine collectors — on readings, not a sales pitch.
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Viking guide · 4 min
Viking oven baking unevenly in a San Rafael kitchen: what it means
Pale edges next to scorched ones in a Viking oven usually point to a fading convection fan or a drifting sensor, not a write-off. A San Rafael troubleshooting guide.
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Need a repair, not a guide?
Book a documented San Rafael Sub-Zero visit
Have the model tag, displayed temperatures, and a cabinet-access note ready so the visit starts with evidence.