Error code reference

Sub-Zero Freezer Error Code 22

No voltage feedback through gray/white wire at defrost start.

SourceSub-Zero 600-3 Series Freezer - Full Service Manualp. 3-21

Diagnostic procedure

The full 22 procedure

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First diagnostic step

Initiate Manual Defrost. If compressor starts 5 minutes after defrost is initiated, check Grey/White wire connections and continuity from defrost heater to J4-4 on control board. Reconnect/repair Grey/White wire and/or electrical connections.

SourceSub-Zero 600-2 Series - Service Manual: Built-in Freezerp. 3-21, 8-3

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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

9 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 22 procedure

Where this code is documented

Models covered by the manuals that document this code

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