Error Code 8CA1
A vibration sensor wire has come loose inside the washer.
Moderate
Address soon - your appliance may not work properly
Also displayed as: 8CA1
What This Means
Wire connections to external MEMS PBA disconnected; External MEMS PBA fault
What actually causes this:
The wire connecting the vibration sensor (MEMS) board has worked loose from machine vibration.
First Thing to Check
Unplug the washer for 60 seconds, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check wire connections if there is an external MEMS PBA
- 2
2. Replace MEMS PBA if necessary
- 3
3. Replace Main PBA if necessary
This Error Applies To
Samsung WA50R5400A Series Washers (2022) (2022–present)
Related Error Codes
The vibration sensor may have failed.
An antibacterial system component has stopped working.
Your washer cannot detect how much water is in the tub.
A sensor module inside the washer has lost its connection.
The motor's speed controller has lost its connection to the main board.
Your washer cannot pump the water out.
The washer's WiFi module has lost its connection to the main board.
Your washer thinks a button is stuck or being held down.