Error code reference

Sub-Zero Freezer Error Code 50

Excessive refrigerator compressor run (700BCI) or excessive refrigerator fan run (700BR).

SourceSub-Zero 700-3 BASE Freezer - Service Manualp. 3-20, 8-2, 8-5

Diagnostic procedure

The full 50 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

First diagnostic step

Check if Error Codes 07, 20, 21, 22, 23, 24 or 40 also displayed; check for obstructions to refrigerator drawer closing; check refrigerator compartment thermistor resistance.

SourceSub-Zero 700-3 BASE Freezer - Service Manualp. 3-20, 8-2, 8-5

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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

6 manuals in the MyPros+ library document this code for Sub-Zero freezer.

Models covered by the manuals that document this code

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The full 50 procedure

Where this code is documented

Models covered by the manuals that document this code

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