LG Dishwasher Error FE
⚡ Quick Answer: The LG Dishwasher FE error indicates an overfill or fill error, where the appliance detects water levels exceeding normal limits. This triggers protec... ✅ DIY Fixable
What Does Error FE Mean?
The LG Dishwasher FE error indicates an overfill or fill error, where the appliance detects water levels exceeding normal limits. This triggers protective draining and may be accompanied by unusual sounds from the pump and a blinking display. Common causes include excessive water supply, oversudsing from improper detergent, or faults in the water inlet valve, float assembly, or control board.
Common Symptoms:
- Error appears on display
- Dishwasher repeatedly drains water
- Cycle does not proceed normally
- Water level appears higher than expected inside tub
Possible Causes
- Excess water detected due to overfill/oversupply (high)
- Oversudsing from inappropriate detergent leading to excess water detection (medium)
- Malfunctioning water inlet valve causing continuous fill (medium)
- Float or water-level sensor/pressure switch fault (medium)
- Control board misinterpretation/malfunction (medium)
How to Fix Error FE
DIY Fix Basic Checks and Reset
- Turn off dishwasher and unplug or switch off circuit breaker
- Wait 1–2 minutes and restore power
- Start a new wash cycle to see if error clears
- Ensure correct dishwasher detergent is used (not dishwashing liquid)
DIY Fix Check Water Supply and Level Detection Components
- Inspect water inlet hose for kinks or blockage
- Check float assembly under lower kickplate for debris or sticking
- Clean inlet screens and float mechanism
- Ensure unit is level and door properly aligned
Technician Only Test and Replace Faulty Components
- Measure continuity of water inlet valve and replace if malfunctioning
- Test float switch/pressure sensor for proper movement and continuity
- Inspect control board for signs of damage or malfunction and replace if needed
Parts needed: Water inlet valve, Float assembly or water level sensor, Control board
- If error persists after basic reset and cleaning
Next step
Choose the next step for FE
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Water Inlet Valve
Controls the flow of hot and cold water into the appliance.
- Typical part-only price
- $25 - $60
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Float Switch
Detects the maximum water level to prevent overflow and potential flooding.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 1000W |
|---|---|
| component | Float Switch |
| resistance | 10-20 ohms |
| part_number | LG 5221ER1004A |
| voltage_rating | 120V AC |
Common Questions
What does FE error mean on LG Dishwasher?
FE error means your LG Dishwasher has detected excessive water levels, triggering protective draining.
Can I fix LG Dishwasher FE error myself?
Yes, you can try resetting the dishwasher and checking the water supply components like hoses and the float assembly.
How much does it cost to fix FE error?
Repair costs can range from $50 to $350+, depending on parts and labor needed.
When should I call a technician for FE?
Call a technician if the FE error persists after you have tried resetting and cleaning the appliance.
Sources & References
- LG Dishwasher Guide to Error Codes (FE/AE) (official)
Data last verified: 2026-07-26
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