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Error code reference
Sub-Zero Freezer Error Code EC
Excessive compressor run with error codes registered in the electronic control memory.
SourceSub-Zero Freezer - Service Manual: Integrated (700-2) Series3-19 through 3-21
Diagnostic procedure
The full EC 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
Initiate Diagnostic Mode to view specific error codes. After repairs, press and hold Bell ON/OFF key for 15 seconds to clear.
SourceSub-Zero Freezer - Service Manual: Integrated (700-2) Series3-19 through 3-21
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 freezer.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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