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Error code reference
Sub-Zero Ice Maker Error Code Rapid flashing light
Control board indicator light flashes rapidly, indicating temperatures exceeded 170°F (77°C) or the ice machine shut down on over-temperature limit.
SourceSub-Zero UC-15I Ice Maker - Service Manualp. 6-3, 6-4
Diagnostic procedure
The full Rapid flashing light 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
Look for cause of overheating and/or check liquid line thermistor resistance. Check ambient temperature is within specification.
SourceSub-Zero UC-15I Ice Maker - Service Manualp. 6-3, 6-4
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 ice maker.
Models covered by the manuals that document this code
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