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15 Code Families Covered

Sub-Zero Error Codes

A short code means something in the sealed system, sensors, or electronics needs attention. Find your code's family below.

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Your Sub-Zero unit's display shows a code or fault name when something needs attention. Matching it to a family below gets you the likely cause and whether it's something you can check yourself before calling for service. If you can't find your exact code, call and read it to us over the phone — we'll tell you what it means before we even schedule a visit.

Codes 05–08 (Basic Diagnostics)
05, 06, 07, 08
Code 10 Family
10-1-00/01/02, 10-2-00/01/02, 10-3-00/01/02, 10-7-00/01/02, 10-F-00/01
Code 15 Family
15-1-00/01, 15-2-00/01, 15-4-00/01, 15-8-00/01/10/11, 15-9-00/01/65/66
Code 20 Family (incl. 21–24)
20, 20-2-00/01/05/06/07/50, 21, 22, 23, 24 (11 codes)
Code 30 Family
30, 30-8-00/05/10/30, 30-9-01/10/80/86, 30-U-00/10/20 (12 codes)
Code 35 Family
35-A-36/37, 35-F-33/34, 35-R-33/34 (6 codes)
Code 40 Family
40, 40-1-38/40, 40-2-38/40, 40-8-40, 40-9-40, 40-B-38 (8 codes)
Code 44 Family
44-0-00/01, 44-9-42/43 (4 codes)
Code 45 Family
45-1-00/01, 45-2-00/01, 45-A-45, 45-L-00/01 (7 codes)
Code 50 Family
50, 50-U-80/86/87 (4 codes)
Code 60 Family
60-1-02/38/60, 60-2-02/38/60 (6 codes)
Code 90 Family
90-0-70/71/72/73/74/75/81/90/92/93, 90-3-55/56, 90-5-01/38/44/80/85/95
Code 95 Family
95-1-00/01/25, 95-2-00/01/25 (6 codes)
Rare & Legacy Display Codes
98-0-98, D0-0R, H2-LO, LO-C (4 codes)
EC Alarm Codes (Older Models)** — new, keyword-driven
EC24, EC40, and the older two-digit "EC" alarm-code system generally (
Don't see your code, or not sure what it means?
Read it to us over the phone — we'll tell you exactly what's wrong before we even schedule a visit.
Call (720) 674-7147

*SubZero Repair Denver is an independent repair company and is not affiliated in any way with Sub-Zero, Inc., Wolf Appliance, Inc., or any of their distributors. We are not a factory service provider and specialize exclusively in out-of-warranty appliance repairs.

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