Samsung Dishwashers2018–present

Error Code 9C1/9C2

The electrical power coming into 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 voltage being supplied from the outlet; Low voltage being supplied from the outlet; Power supply circuit issue in the dishwasher

What actually causes this:

Your home's electrical voltage is fluctuating — possibly too many appliances on one circuit or a utility issue

First Thing to Check

Check if other appliances on the same circuit are causing a power draw — try turning some off and restarting the dishwasher

Parts Involved

Main PBAPower Supply

How to Fix

  1. 1

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

  2. 2

    2. Check for other high-draw appliances on the same circuit

  3. 3

    3. If outlet voltage is normal, check Main PBA DC voltage

  4. 4

    4. Replace Main PBA if internal voltage regulation has failed

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung DW80M9 Series Dishwashers (2018) (2018–present)

Service manual exact match: DW80M9960US/AAService manual exact match: DW80M9960UG/AAService manual exact match: DW80M9550US/ACService manual exact match: DW80M9550UG/AAService manual exact match: DW80M9990US/AAService manual exact match: DW80M9990UM/AA

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