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
How to Fix
- 1
1. Check the voltage at the power outlet — Normal: 120V
- 2
2. Check for other high-draw appliances on the same circuit
- 3
3. If outlet voltage is normal, check Main PBA DC voltage
- 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)
Related Error Codes
The dishwasher isn't getting enough water to run
The dishwasher can't drain the dirty water out
The heating element isn't warming the water properly
The water inside the dishwasher got dangerously hot
The water temperature sensor isn't reading correctly
A control panel button appears to be stuck or pressed
The touch panel and the control board aren't communicating properly
The dishwasher's main computer and the display board can't talk to each other