Error Code FE
Overflow Error — water level too high
Moderate
Address soon - your appliance may not work properly
What This Means
Inlet valve not closing (valve energized when it should be off); Pressure sensor / air chamber malfunction; Faulty PCBA
How to Fix
- 1
Is FE displayed? Yes — enter service mode
- 2
Is water level frequency over 21.0 kHz in service mode? No — check air chamber and tube for clogs; clear obstruction
- 3
Yes — does inlet valve operate when power is NOT applied? Yes — replace inlet valve assembly (valve stuck open)
- 4
No — if inlet valve runs continuously when power IS applied, replace main PCB assembly
- 5
If segment display reads under 10, replace the PCBA
- 6
Check water level: power on, press SPIN SPEED and DELAY WASH simultaneously to read frequency
This Error Applies To
LG WT7900H Series Washers (2019) (2019–present)
Related Error Codes
Outlet/Drain Error — machine cannot drain within expected time
Inlet Error — water not filling within expected time
Door/Lid Error — lid not detected as closed or locked
Door Lock Error — lid fails to lock
Thermistor/Temperature Sensor Error — temperature sensor circuit fault
Locked Motor Error — motor cannot rotate or hall sensor failure
Motor Overload / Foreign Object Error — wash plate obstructed
Unbalance Error — load is unbalanced during spin