Error Code SF2
The washer's main computer has crashed.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF2
What This Means
Micro controller operation failure; Main PCB fault
What actually causes this:
The main circuit board has suffered a hardware failure.
First Thing to Check
Unplug the washer for 5 minutes, then plug it back in. If the error returns immediately, it needs repair.
Parts Involved
How to Fix
- 1
1. Replace the Assy PCB (Main PBA)
Other Error Codes for WA50A5400AW
Your washer cannot detect how much water is in the tub.
A vibration sensor wire has come loose inside the washer.
The washer's WiFi module has lost its connection to the main board.
Your washer's door lock mechanism is not working correctly.
Your washer is filling with too much water and cannot detect when to stop.
Your washer has detected a water leak.
An internal power module in the washer is overheating.
Your washer's vibration sensor is not communicating properly.