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Source-backed error-code guide

Reviewed

Samsung Dishwasher 3C Error Code

3C is a pump-operation fault. Samsung directs turning the dishwasher off and trying the cycle again once; if 3C returns, stop there and request service rather than opening the pump or base.

Applies to Samsung dishwasher with digital display

What the appliance detected

Detected condition

Samsung says the dishwasher detected a pump operation problem.

What may contribute

Possible causes

  • Samsung identifies the condition as a pump operation error.
  • A pump, control, wiring, or related internal condition may require qualified diagnosis if the code returns.
  • The displayed code alone does not establish which internal part should be replaced.

Start conservatively

Safe preliminary checks

Work in order and stop whenever a step is not supported by the documentation for your model.

  1. Record the code and exact model

    • Photograph 3C before clearing the display.
    • Confirm the full model number and Samsung manual so model-specific instructions are not mixed together.

  2. Try the manufacturer-documented restart once

    • Turn the dishwasher off, then try to start the cycle again once as Samsung directs.
    • Do not keep repeating restarts if 3C returns.

  3. Escalate a returning pump code

    • If 3C appears again, request Samsung service.
    • Leave pump, motor, wiring, control, and under-tub access to a qualified technician.

Actions not recommended

  • Do not remove the toe-kick or base to reach the pump.
  • Do not test live voltage, resistance, continuity, motor windings, or internal connectors.
  • Do not replace a pump or control board from 3C alone.

When to stop and request service

  • 3C returns after the single documented restart.
  • The dishwasher makes abnormal mechanical or electrical noises, leaks, or trips a breaker.
  • Any next step requires pump, motor, wiring, or control access.

Documented source

Official information reviewed

Our summary is based on manufacturer support material and stays within the limits of that material.

Source reviewed by Appliance Help HQ: September 24, 2026.

Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by Samsung.

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