Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Samsung dishwashers
- Confidence medium
- Also displayed as 3C, 3C1, 3C2, 3C3, 3C4, 3C5, 3C6
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
The control or inverter reported abnormal circulation-motor speed, loading or repeated motor faults.
Most likely causes
- A foreign object is restricting the circulation pump
- The wash motor or pump assembly is seized or worn
- The inverter board or main control has failed
- A harness or connector is loose or heat-damaged
Safe checks for the owner
- Stop the cycle if there is grinding, burning odor or no water circulation.
- Clean the accessible filter and check for visible debris without reaching into sharp pump components.
- Disconnect power and request service if the code returns.
Estimated U.S. repair cost
$420–$800, depending on model, access, parts availability and local labor.