Error Code 8C
The washer's vibration and motion sensor is not responding.
Moderate
Address soon - your appliance may not work properly
Also displayed as: 8C / 8CA1-4 / 8CB1-4
What This Means
Wire disconnection; MEMS PBA defective; Washer not level; External MEMS PBA fault
What actually causes this:
The vibration sensor has lost its connection or has failed, often from sustained vibration over time.
First Thing to Check
Turn off the washer, wait 2-3 minutes, then turn it back on and try again.
Parts Involved
How to Fix
- 1
1. Check wire connections if External MEMS PBA
- 2
2. Check washer is horizontal level
- 3
3. Replace MEMS PBA if external
- 4
4. Replace Main PBA if no external MEMS
This Error Applies To
Samsung WA50B5100A Series Washers (2024) (2024–present)
Related Error Codes
The dryer heating element has a wiring or component failure.
The washer's main computer chip has stopped working.
The washer's main computer chip has stopped working.
The drain module has lost communication with the main control board.
The display module has lost communication with the main control board.
The motor speed controller has lost communication with the main control board.
A button on the control panel appears to be stuck or pressed continuously.
The washer's heating element has a problem or is overheating.