Samsung Dishwashers2023–present

Error Code 9C1

The power supply to the dishwasher is not stable

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 dishwasher; Power supply instability; Inverter PBA issue

What actually causes this:

A power fluctuation, brownout, or brief power outage affected the dishwasher

First Thing to Check

Check if other appliances in your home are working normally — if there was a power flicker, simply restart the dishwasher

Parts Involved

Power SupplyInverter PBA

How to Fix

  1. 1

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

  2. 2

    2. Check for voltage fluctuations or brownouts in the home

  3. 3

    3. Check Inverter PBA connections

  4. 4

    4. If voltage is stable, replace Inverter PBA

This Error Applies To

Samsung DW80B7070A Series Dishwashers (2023) (2023–present)

Service manual exact match: DW80BB707012AAService manual exact match: DW80B7070US/AAService manual exact match: DW80B7070UG/AAService manual exact match: DW80B7071US/AAService manual exact match: DW80B7071UG/AAService manual exact match: DW80B6060US/AAService manual exact match: DW80B6060UG/AAService manual exact match: DW80B7070AP/AC+2 more

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