Samsung Dishwashers2023–present

Error Code 9C1/9C2

The electrical power coming to the dishwasher is too high or too low

Moderate

Address soon - your appliance may not work properly

Also displayed as: No display, changes to pause

What This Means

High or low voltage supplied to the dishwasher; Power supply brownout or blackout; Electrical circuit issue in the home

What actually causes this:

A power surge, brownout, or unstable electrical supply is causing the dishwasher to shut down for protection

First Thing to Check

Check if other appliances on the same circuit are working — if there was a power flicker, just restart the dishwasher

Parts Involved

Power SupplyInverter PBAMain PBA

How to Fix

  1. 1

    1. Check the voltage of the power outlet — normal: 120V

  2. 2

    2. Check for other appliances on the same circuit causing voltage drops

  3. 3

    3. Check power cord connections

  4. 4

    4. If voltage is normal, check Inverter PBA for damage

  5. 5

    5. If voltage fluctuations are confirmed, recommend dedicated circuit

This Error Applies To

Samsung DW80R9950U Series Dishwashers (2023) (2023–present)

Service manual exact match: DW80R9950UG/AAService manual exact match: DW80R9950US/AC

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