FE2
LG Washing Machine
Severity: CriticalWhat Does This Error Mean?
The FE2 error on an LG washer means the machine is overfilling with water — specifically that the drum has exceeded the safe water level and the machine cannot stop filling. This is a serious error that can cause water to overflow onto your floor. Turn off the water supply immediately.
Affected Models
- WM3900HWA
- WM4000HWA
- WM4500HBA
- WM3500CW
- Most LG front-load washers
Common Causes
- Water inlet valve is stuck open and cannot shut off the water flow
- Water pressure sensor (pressure switch) has failed, so the machine cannot detect that it is full
- Air hose from the pressure sensor is blocked or disconnected
- Control board malfunction causing it to keep the inlet valve open
- Water supply pressure is very high, overwhelming the inlet valve
How to Fix It
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Turn off the hot and cold water supply valves behind the washer immediately.
Do this first. If the inlet valve is stuck open, water will continue flowing until you stop it at the source.
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Unplug the washer from the wall.
Disconnect power before touching anything near the water connections.
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Check if there is water on the floor or water above the door seal level inside the drum.
If the drum is overfull, use the manual drain option or carefully bail water out through the filter at the bottom.
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Inspect the pressure sensor hose for blockages or disconnections.
The thin hose connects the drum area to the pressure sensor. A blocked hose makes the machine think it is empty and keeps filling.
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Do not reconnect the water supply or run the machine until a technician has inspected it.
FE2 indicates a part has failed. Running the machine again risks a flood. Call for service.
When to Call a Professional
FE2 almost always requires professional service. Either the inlet valve or the pressure sensor — or both — have failed. These parts need to be tested and replaced. Do not run the machine again until this is fixed — the risk of flooding is real. Expect repair costs of $130–$280.
Frequently Asked Questions
How serious is the FE2 error on an LG washer?
Very serious — it means water is flowing into the drum without being controlled. Left unaddressed, this can flood your laundry room. Turn off the water supply immediately and do not run the machine again until it is repaired.
What causes the inlet valve to stick open?
Inlet valves use a solenoid (an electromagnet) to open and close. Over time, sediment or scale from hard water can build up inside the valve and prevent it from closing fully. The valve can also fail electrically. Either way, the valve needs replacement.
Can I fix FE2 myself?
The initial steps — turning off the water, draining, and checking the pressure hose — are DIY-friendly. Actually replacing the inlet valve or pressure sensor requires technical knowledge and access to internal components. Most homeowners should call a technician for the repair.