LG Dishwasher ✅ Safe for Now

LG Dishwasher Error Code FE

LG Dishwasher error code FE: Water inlet valve failure.

Last reviewed: Aug 7, 2026 Last updated: Aug 7, 2026

Methodology: Reviewed against official Lg dishwasher support guidance, then grouped by fault family before separating owner-safe checks from technician-level diagnosis.

Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.

LG Support - Dishwasher troubleshooting — Official LG support library used for dishwasher error-code and troubleshooting references.

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

Should I unplug it?

✅ No — safe for now

Safe — unit stops when it can't fill. Check the supply hose and valve before calling a technician.

Can I fix it myself?

DIY Possible

Part: Water inlet valve / supply hose

How much will it cost?

DIY: $15–$80 (inlet valve)

Technician: $100–$250

⏱ 20–40 min

What Does Error FE Mean on Your LG Dishwasher?

LG Dishwasher error code FE: Water inlet valve failure.

What typically fails: Water inlet valve / supply hose

What You're Probably Seeing

→ Dishwasher not filling
→ Dishes coming out dirty
→ Machine stops mid-cycle

Common Causes

• Water supply valve closed or restricted
• Inlet screen clogged by sediment
• Failed water inlet valve or low household water pressure

How to Fix It Yourself

1 Unplug the dishwasher for 60 seconds then plug back in — this resets the control board and clears many temporary faults
2 Check that the water supply valve behind the machine is fully open
3 Inspect the inlet hose screen filter — sediment often blocks it (unscrew hose, clean mesh screen)
4 Test the water inlet valve with a multimeter — replace if no continuity ($15–$80 part)
5 If the error persists after basic troubleshooting, contact a qualified appliance technician

🛠️ You'll need: Screwdriver set, Pliers, Multimeter · Time: 20–40 min

💡 Try this first: Unplug the appliance for 60 seconds, then plug back in. This resets the control board and clears many temporary faults.

Questions People Also Ask

What does LG Dishwasher error code FE mean? ▼

Error code FE on a LG Dishwasher means: Water inlet valve failure. The appliance detected this condition and has stopped or limited operation to prevent further damage.

How do I fix LG Dishwasher error code FE? ▼

First, unplug the dishwasher for 60 seconds to reset the control board. If error FE returns, the root cause (water inlet valve failure) needs to be addressed — check connections, filters, and hoses before calling a technician.

Is it safe to use my LG Dishwasher with error code FE? ▼

It depends on the cause. Most FE errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.

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