Error code reference

Sub-Zero Refrigerator Error Code 15

Sealed system fault - evaporator temperature cannot drop 5° in 5 minutes over 3 consecutive valve activations (wine storage section).

SourceSub-Zero Revision 1: All Serials: Service Manualp. 7-6, 7-7

Diagnostic procedure

The full 15 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
Initiate manual valve activation mode for upper compartment; check for proper voltage from J3 on board to appropriate evaporator fan motor.

SourceSub-Zero Revision 1: All Serials: Service Manualp. 7-6, 7-7

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

8 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.

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