Error Code SF
The washer's main computer has crashed and cannot recover
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF (upper) / SF (lower)
What This Means
Micro Controller operation failure; Main PCB system processor fault; Power surge or electrical interference
What actually causes this:
The main control board has failed, possibly from a power surge or component failure
First Thing to Check
Turn off the washer at the circuit breaker, wait 5 minutes, then turn it back on — if the error returns, it needs service
Parts Involved
How to Fix
- 1
1. Replace Assy PCB (Main PBA)
Other Error Codes for WV55M9600AW
The washer is getting too much electrical power
The washer's WiFi module cannot connect to the main control board
The washer cannot detect the water level properly
The washer's motor cannot spin or is struggling to turn
The washer is not getting water
The incoming water is too hot for delicate wash cycles
The washer cannot pump the water out
The washer is not getting enough electrical power