Error code reference

Sub-Zero Wine Storage Error Code 90 H 83

HV micro bad (CCM) communication; communications problems on main board.

SourceSub-Zero Service Manual: Integrated Wine Storage: Service Manualp. 6-8

Sub-Zero codes Sub-Zero wine storage codes

Diagnostic procedure

The full 90 H 83 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

Replace board.

SourceSub-Zero Service Manual: Integrated Wine Storage: Service Manualp. 6-8

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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

1 manual in the MyPros+ library documents this code for Sub-Zero wine storage.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full 90 H 83 procedure

Where this code is documented

Models covered by the manuals that document this code

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