Error code reference

Samsung Washer Error Code 4C

Water supply error caused by wrongly connected hot/cold water hoses, water temperature sensed above 50°C in Wool/Lingerie courses, damaged pump motor impeller, wrong voltage, part fault, or foreign material in water supply valve.

SourceSamsung WF50K7500 Washing Machine - Service Manualp. 25, 30

Samsung codes Samsung washer codes

Diagnostic procedure

The full 4C 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

Check water supply valve resistance (0.9-1.1 kΩ between terminals); check for foreign material in water supply valve filter and clean if clogged.

SourceSamsung WF50K7500 Washing Machine - Service Manualp. 25, 30

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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

34 manuals in the MyPros+ library document this code for Samsung washer.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full 4C procedure

Where this code is documented

Models covered by the manuals that document this code

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