Lg Washing Machine Error E4

⚡ Quick Answer: The LG washing machine E4 error indicates a malfunction in the door lock mechanism, typically causing the machine to stop mid-cycle with a flashing di... ✅ DIY Fixable

What Does Error E4 Mean?

The LG washing machine E4 error indicates a malfunction in the door lock mechanism, typically causing the machine to stop mid-cycle with a flashing display. This error is often related to water handling or sensor issues, preventing the washer from completing the wash cycle. Common symptoms include no progress in washing after the code appears, and potential problems with water fill, drain, or internal sensors.

Common Symptoms:

  • Machine stops mid‑cycle with E4 displayed
  • No regular wash progress after code appears
  • Often appears related to water fill/drain/sensor issues

Possible Causes

  • Not officially defined by LG for washers (high)
  • Water handling or sensor-related malfunction (community consensus) (medium)

How to Fix Error E4

DIY Fix Basic user checks

  1. Turn off and unplug the washer for safety
  2. Ensure the water supply is on and hoses are not kinked
  3. Check that drain hose is properly placed and not blocked
  4. Try restarting the washer to see if the code clears

Technician Only Technician diagnosis of water/sensor systems

  1. Confirm model‑specific error code definitions from LG technical documentation
  2. Test and inspect water level sensor/pressure switch for proper operation
  3. Inspect inlet and drain valves/pumps for blockages or malfunction
  4. Check wiring and control board signals related to water sensing circuits

Parts needed: water level sensor/pressure switch, inlet valve, drain pump

🛑 When to Call a Pro:
  • If code persists after basic checks
  • If water leakage, unusual noises, or repeated interruptions occur during cycles
  • If internal components need testing/parts replacement

Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 10-30 ohms
part_number LG 6601N-0031B
voltage_rating 120V AC

Common Questions

What does E4 error mean on LG washing machine?

E4 indicates a door lock malfunction, often related to water handling or sensor issues.

Can I fix LG washing machine E4 error myself?

Yes, you can check the water supply, hoses, and drain hose for blockages or kinks.

How much does it cost to fix E4 error?

$100–$300 for parts and labor, depending on the region and model.

When should I call a technician for E4?

Call a technician if the error persists after basic checks or if there are unusual noises or leaks.

Sources & References

Data last verified: 2026-01-11

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