Lg Washing Machine: drainage failure

Professional Repair Guide

What is this symptom?

Experiencing drainage failure in your LG washing machine? If your washer retains water, drains slowly, or displays error codes, it could be due to a clogged pump or electrical issues. Don't let laundry pile up—identify the problem and get it resolved quickly.

Urgency: Medium

Important Tips for Lg Models

  • Drain hose height and installation details vary by model; improper height can prevent draining
  • Manual/forced drain and strong drain mode may exist on certain smart models

Possible Causes

Clogged drain pump filter

How to Identify: Water remains in tub; debris visible in filter housing; slow or no drain.

Part: Drain pump filter

Electrical/control issue (timer or control board)

How to Identify: No power sent to drain pump during drain cycle, possibly error codes.

Part: Control board/Timer

Lid/detector switch failure

How to Identify: Washer won’t proceed to drain if lid switch fails; no spin movement.

Part: Lid switch assembly

DIY Solutions

Clean drain pump filter

Moderate 15–30 minutes
Tools Needed: screwdriver, towels, shallow container
  1. Unplug washer and open bottom access panel.
  2. Place container/towels to catch water.
  3. Pull out small drain hose to release water.
  4. Unscrew and remove drain pump filter.
  5. Clean debris and rinse filter.
  6. Reinstall filter, close panel, test drain cycle.
⚠️ Safety First: Always disconnect power before opening access panel.

Inspect and clear drain hose

Moderate 15–45 minutes
Tools Needed: pliers, bucket, garden hose or flexible brush
  1. Unplug washer.
  2. Access rear drain hose.
  3. Straighten any kinks and check positioning height.
  4. Disconnect hose and flush out debris with water or brush.
  5. Reconnect hose and test drain.
  6. Ensure hose installation matches LG recommended height.

Check for frozen/hose installation issues

Easy 10–20 minutes
Tools Needed: none
  1. In cold conditions, pour warm water into tub to thaw frozen hose.
  2. Ensure drain hose isn’t installed too high or looped.
  3. Test drain after adjustments.

Professional Repairs

Replace drain pump

Estimated Cost: $50–$150 (parts)

Repair/replace control board or timer

Estimated Cost: $100–$300

Replace lid switch assembly

Estimated Cost: $20–$70

When to Call a Professional

Pump makes unusual noises or no sound during drain cycle after cleaning filter/hose
Electrical diagnostics required (error codes persist)
Repeated failures after DIY attempts

Preventive Maintenance

  • Clean drain pump filter: Debris buildup causing drainage failure
    Frequency: monthly to quarterly
  • Inspect drain hose: Blockages and kinks that impede drainage
    Frequency: annually

Frequently Asked Questions

Why is my LG Washing Machine drainage failure?
Common causes include a clogged drain pump filter, electrical/control issues, or a lid switch failure.
How do I fix LG Washing Machine drainage failure myself?
You can clean the drain pump filter, inspect the drain hose, or check for frozen hoses.
How much does it cost to fix drainage failure?
Professional repairs can range from $50–$150 for a drain pump to $100–$300 for control board repairs.
When should I call a technician for drainage failure?
If DIY solutions don't resolve the issue or if the problem seems complex, it’s best to call 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: DIY

Common Issues Reported by Users

  • Clogged drain hose
  • Blocked or faulty drain pump
  • Kinked or damaged drain hose

User Suggested Solutions

  1. Inspect and clear the drain hose. Disconnect the hose from the back of the washing machine and check for clogs or obstructions. Use a long brush or a flexible cleaning tool to remove any debris. Reconnect the hose securely.

  2. Check the drain pump for blockages. Remove the front panel of the washing machine to access the drain pump. Inspect for any foreign objects or lint that may be obstructing the pump. Clean out any debris and test the pump operation.

  3. Examine the drain hose for kinks or damage. Ensure the hose is not bent or pinched. If damaged, replace the hose with a new one. Make sure the hose is installed at the correct height as per the manufacturer's instructions.

Analysis based on 1 community discussions
View Sources

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

  1. Schrödingers drainage problem (LG WD14071SD6 Front Loading W...

Community Discussions

drainage failure errors

The drainage error is displayed when it takes more than 10 minutes to drain, indicating a flow rate issue.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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