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Model library · Sub-Zero Wine Storage

427R

Sub-Zero 427R combination wine and refrigerator drawer repair

Most common issues on this model

  1. Moisture beading on the inside of the glass
  2. One zone straying from its set temperature
  3. Drawer racked out of line and refusing to latch

The 427R mixes wine and food storage in one cabinet: two wine zones on top and refrigerator drawers underneath. That layout makes it popular in kitchen islands and wet bars where space is tight. It belongs to the 400 Series, which has been discontinued.

The drawers hold food, so keep a thermometer in that section and aim for 40°F or lower, the FDA’s recommended maximum for refrigerated food. If the drawer will not close flush, the cold air spills out and that zone warms up quickly.

We look at the drawer slides and gasket first, then the door seal for the wine zones, then each zone against a separate thermometer. Pricing is given in writing before we start, and the work comes with a 30-day workmanship warranty.

Key features

  • Wine storage unit with refrigerator drawers below
  • Third temperature zone of refrigerator drawers beneath two wine zones
  • 400 Series cabinet that mixes wine and food storage
  • No longer built, which means part sourcing can be slower
→Codes

Error codes this model can show

427R427R questions
How cold should the lower drawers of a 427R be?

Those drawers hold food, so they should stay at 40°F or below. Put a thermometer inside and check it for a day. If it reads higher, call us, because spoiled food is a bigger risk than a warm wine zone.

Why will my 427R drawer not close all the way?

After years of use the drawer often shifts out of square on its slides, so it cannot press against the gasket. We realign it, check the gasket and test the zone temperature afterward.

One zone in my 427R is off. Do I need to replace the unit?

Not usually. Zone problems tend to trace back to a leaking seal or a control issue. We narrow it down first and give you a written price before any repair.

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