Error code reference

Sub-Zero Refrigerator Error Code SERVICE

Service indicator flashing indicates a component fault detected by the electronic control system (thermistor fault, water valve fault, or refrigerator evaporator thermistor fault depending on accompanying display).

SourceSub-Zero Original: Prior to Serial 1810000: Service Manualp. 3-13

Diagnostic procedure

The full SERVICE procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Identify accompanying display condition to determine specific fault. Correct cause then switch unit OFF and back ON to clear.

SourceSub-Zero Original: Prior to Serial 1810000: Service Manualp. 3-13

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock SERVICE procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

4 manuals in the MyPros+ library document this code for Sub-Zero refrigerator.

Models covered by the manuals that document this code

More models are covered than are listed here.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax