Reference Source

20

For 20, brand is Sub-Zero; appliance type is refrigerator; meaning is Freezer-defrost underheat condition with missing feedback at defrost start, verified against its source on 2026-08-04.

Brand
Sub-Zero
Appliance type
refrigerator
Error code
20
Meaning
Freezer-defrost underheat condition with missing feedback at defrost start.
Sourcefaultcodelab.com
Verified2026-08-04
Review by2027-08-04
DatasetAppliance fault and error codes

What the source says

freezer-defrost underheat condition with missing feedback at defrost start.

— faultcodelab.com, retrieved 2026-08-04

Source

Last verified against source: 2026-08-04. Scheduled for re-check by: 2027-08-04. This page as Markdown · OKF concept · full dataset as JSON.