The BI-42UFD is a 42″ Classic French door refrigerator/freezer, also printed as the BI-42UFD/O, from Sub-Zero’s legacy built-in lineup.
A unit running constantly without ever settling into a normal cycle is the issue reported most on a BI-42UFD, which points to the compressor struggling to reach its set point. Frost building up inside the freezer compartment, and interior lighting that stays dark or flickers as the door opens, are the other common calls on this model.
Key Features
- 42" Classic French door refrigerator/freezer
- Classic BI- built-in generation, no longer produced
- Also printed by Sub-Zero as BI-42UFD/O, recorded exactly as published; the suffix meanings are not documented anywhere we could read
Most Common Issues on This Model
01
Unit running constantly without settling into a cycle
02
Frost building up inside the freezer compartment
03
Interior lighting staying dark, or flickering as the door opens — a pattern documented for the BI-42UFD.