Samsung · Refrigerator
21E error-code guide
Samsung identifies 21E as a freezer fan error: the electronics are not sensing rotational feedback from the fan when it should be turning.
Read the guideCurrent Samsung refrigerator coverage
This hub contains 6 published guides for select Samsung refrigerator error codes. Coverage is intentionally limited and does not include all codes or models.
Refrigerator or freezer getting too warm? Use the refrigerator not cooling symptom guide.
Frozen food softening while the refrigerator may still be cool? Use the freezer not freezing symptom guide.
Source-backed guides
Each card links to a guide that separates the detected condition from possible causes, preliminary checks, limitations, and service boundaries.
Samsung · Refrigerator
Samsung identifies 21E as a freezer fan error: the electronics are not sensing rotational feedback from the fan when it should be turning.
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Samsung identifies 22E and 22C as a fridge fan error.
Read the guideSamsung · Refrigerator
Samsung identifies PC ER and PC CH as communication errors between components in the refrigerator.
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Samsung groups these as voltage or power errors that can occur after a power surge, brownout, or other electrical anomaly.
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Samsung says 85C on Family Hub is triggered by low voltage detected on the power source and could be caused by a brief power outage.
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Samsung links 76C or a blinking Autofill indicator to water detected in the Autofill compartment.
Read the guideHow to use this collection
Each guide identifies the manufacturer support material reviewed and explains where that material has model or applicability limits.
Homeowner observations remain separate from disassembly, electrical work, internal testing, and other work that belongs with a qualified professional.
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