Error Code 3C
The main wash pump isn't spinning properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: 3C
What This Means
Foreign object entered the circulation pump causing it to jam; Circulation pump motor is defective; Main PBA is defective; Inverter PBA is defective
What actually causes this:
Something is stuck in the wash pump, preventing it from spinning at full speed
First Thing to Check
Check the filter at the bottom of the tub for debris — large food particles may have gotten past the filter
Parts Involved
How to Fix
- 1
1. Check for foreign material in the circulation hose and circulation pump — remove any blockage
- 2
2. Check the connections for the circulation pump connector — reconnect
- 3
3. Measure circulation pump coil resistance (disconnect connector first) — normal: approx. 5.8 ohms +/-10%
- 4
4. Check the operating LED (red) on the Main PBA — normal: fully on while operating. If not, replace Main PBA Assy
- 5
5. If pump and PBA test normal, replace Inverter PBA
This Error Applies To
Samsung DW80R9950U Series Dishwashers (2023) (2023–present)
Related Error Codes
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Water is getting into the dishwasher when it shouldn't be
The main control board and the motor control board can't communicate
The dishwasher can't drain the dirty water out
The dishwasher tried multiple times to drain but keeps failing
The water distribution motor that directs spray isn't working properly
The water temperature sensor isn't reading correctly
The heating element isn't warming the water