Error code reference

Sub-Zero Refrigerator Error Code Rapid flash

Control board light rapid flash indicates liquid line temperature exceeded 170°F on UC-15I ice machine (over temperature limit shutdown).

SourceSub-Zero Wolf Refrigerator - Training Manual: 700 Series Updatesp. 68

Sub-Zero codes Sub-Zero refrigerator codes

Diagnostic procedure

The full Rapid flash 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

Refer to Discharge Pressure High Checklist; if unable to determine cause, refer to Resistance chart and Ohm thermistor.

SourceSub-Zero Wolf Refrigerator - Training Manual: 700 Series Updatesp. 68

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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 refrigerator.

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The full Rapid flash procedure

Where this code is documented

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