Overfill error — excessive water detected inside dishwasher tub
The FE error on the LG LDF5545ST indicates overfill error — excessive water detected inside dishwasher tub. This typically occurs due to water inlet valve stuck open and not shutting off at the correct level. A qualified technician can usually diagnose this in 15–25 min, but the steps below will help you understand the issue.
Safety Warning
This is a high-severity error. Unplug the appliance immediately and assess the situation before attempting any repair.
Safety Warning
This repair is recommended for certified technicians only. The diagnostic steps below can help you understand the issue before calling for service.
Common Causes of FE
- 1Water inlet valve stuck open and not shutting off at the correct level
- 2Faulty water level float switch giving incorrect readings
- 3Clogged overflow drain allowing water to accumulate
- 4Control board inlet valve relay failure
How to Fix FE
- 1
Step 1
Turn off the dishwasher immediately and disconnect it from power
- 2
Step 2
Turn off the hot water supply valve under the sink to stop any incoming water
- 3
Step 3
Open the dishwasher door carefully — if water is visible above the tub floor, bail it out with a cup or sponge
- 4
Step 4
Unplug the unit for 10 minutes to reset the control board
- 5
Step 5
Turn the water supply back on, plug in the dishwasher, and monitor closely as it fills at the start of a test cycle
- 6
Step 6
If water continues filling beyond normal level or does not stop, the water inlet valve is faulty and needs replacement
Tools Needed
When to Call a Technician
Water keeps entering the tub uncontrolled after power reset — the water inlet valve solenoid is stuck open and must be replaced
Frequently Asked Questions
Common questions about LG FE error
The FE error on the LG LDF5545ST means the dishwasher has detected too much water in the tub. The most common cause is a water inlet valve that fails to close at the correct fill level. Turn off the water supply valve under the sink immediately to prevent overflow onto your kitchen floor.
Yes — a stuck water inlet valve can cause the dishwasher to overflow and flood the kitchen floor. This poses a slip hazard and can damage cabinets and flooring. Turn off the water supply at the valve under the sink immediately and call a technician to replace the inlet valve.
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