Samsung Dishwashers2016–present

Error Code 3C

The main wash pump isn't working properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: 3C

What This Means

A foreign object has entered the circulation pump and the pump is stuck; The circulation pump is out of order; The Main PBA is out of order; The Inverter PBA is out of order

What actually causes this:

Something is stuck in the wash pump or the pump motor is failing

First Thing to Check

Check the filter at the bottom of the tub for debris — a large piece of food or broken glass could be jamming the pump

Parts Involved

Circulation Motor (BLDC)Inverter PBAMain PBA

How to Fix

  1. 1

    1. Check the circulation motor connectors and reconnect

  2. 2

    2. Check for foreign objects in the pump or water passages

  3. 3

    3. Measure circulation motor coil resistance (disconnect first) — normal: approximately 5.8 Ohm

  4. 4

    4. Check the Inverter PBA connections

  5. 5

    5. If motor tests normal, replace Inverter PBA, then Main PBA

This Error Applies To

Samsung DW80K7050U Series Dishwashers (2016) (2016–present)

Service manual exact match: DW80K7050US/AAService manual exact match: DW80K7050UG/AA

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