Lg Washing Machine: overfilling

Professional Repair Guide

What is this symptom?

Experiencing overfilling issues with your LG washing machine? This problem occurs when the machine continues to fill with water, exceeding the normal level and potentially causing overflow. Common causes include a faulty water inlet valve or a malfunctioning water level pressure switch. Understanding these issues can help you address the problem effectively.

Urgency: Medium

Important Tips for Lg Models

  • Incorrect drain hose setup can cause water to flow back into drum and simulate overfilling; check according to LG install guidelines

Possible Causes

Faulty water inlet valve that fails to close

How to Identify: Machine continues to fill with water even when it should stop; shutting off power does not stop water flow when valve mechanically stuck open.

Part: Water inlet valve

Malfunctioning water level pressure switch or sensor

How to Identify: Water level isn’t correctly detected, causing the machine to overfill; error codes (e.g., FE/PE may display on some models.

Part: Water level pressure switch / sensor

Blocked or kinked pressure hose feeding the level sensor

How to Identify: Incorrect water-level readings causing overfill; hose blockage or kink detectable upon inspection.

Part: Pressure hose to water level sensor

Incorrect drain hose installation causing water backflow

How to Identify: Water appears to fill machine even when not running due to water returning from drain; hose inserted too deeply or clogged.

Part: Drain hose

Excessive incoming water pressure

How to Identify: Water enters washer even at power off if water pressure exceeds valve closure capability.

Part: Incoming water supply/valve

DIY Solutions

Check and adjust drain hose position

Easy 10-20 minutes
  1. Turn off water supply and power.
  2. Inspect drain hose height and ensure it meets manufacturer recommendation (not inserted too deep into standpipe).
  3. Clear any visible clogs in drain hose and ensure proper connection.
⚠️ Safety First: Always disconnect power before adjusting hoses.

Inspect pressure hose and water level sensor connection

Moderate 20-45 minutes
Tools Needed: Screwdriver
  1. Disconnect washer from power and water.
  2. Remove access panel to reach pressure hose from drum to sensor.
  3. Check hose for blockages, kinks, or disconnections and clean or reconnect as needed.
  4. Reassemble and test machine water fill behavior.
⚠️ Safety First: Ensure machine is unplugged before opening panels.

Professional Repairs

Replace water inlet valve

Estimated Cost: $50 - $150

Replace pressure switch or level sensor assembly

Estimated Cost: $40 - $120

When to Call a Professional

Water continues to fill despite DIY checks and you cannot determine cause
Error codes related to water level sensors (e.g., FE/PE) appear
Suspected mechanical failure of inlet valve or internal sensor

Preventive Maintenance

  • Inspect and clean pressure hose and sensors: Incorrect water level detection leading to overfill
    Frequency: annually
  • Check water inlet valve and hoses: Valve sticking due to debris or pressure issues
    Frequency: annually

Frequently Asked Questions

Why is my LG Washing Machine overfilling?
Common causes include a faulty water inlet valve or malfunctioning water level sensor.
How do I fix LG Washing Machine overfilling myself?
Check the drain hose position and inspect the pressure hose and sensor for blockages.
How much does it cost to fix overfilling?
Professional repairs range from $40 to $150 depending on the issue.
When should I call a technician for overfilling?
If DIY solutions don't resolve the issue, consider calling a technician.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

75%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Faulty pressure switch
  • Clogged or kinked pressure hose
  • Malfunctioning water inlet valve

User Suggested Solutions

  1. Inspect and replace the pressure switch if faulty. Disconnect power, locate the pressure switch, and test it with a multimeter. Replace if it does not show continuity.

  2. Check the pressure hose for clogs or kinks. Disconnect the hose from the pressure switch and the drum, and clean or replace it as necessary.

  3. Test the water inlet valve for proper operation. Disconnect the water supply, remove the valve, and check for blockages or test it with a multimeter. Replace if defective.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. LG Washer Filled with Water and blew the door open: a repair...

Community Discussions

Washer overfilled with water and door blew open

Pressure hose was likely disconnected or the pressure switch was bad.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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