LG Washer Dryer: not draining

Professional Repair Guide

What is this symptom?

Is your LG washer dryer combo leaving standing water after wash cycles? This issue often stems from a clogged drain pump filter or debris in the pump, preventing proper drainage. Understanding the potential causes can help you troubleshoot effectively.

Urgency: Medium

Important Tips for LG Models

  • LG washer dryers may have model‑specific manual drain features and ‘forced drain’ modes accessed via button combinations on some smart models. Check manual for exact procedure.
  • Appropriate drain hose height and placement (not too high) recommended by LG to avoid siphoning/backflow issues.

Possible Causes

Clogged drain pump filter

How to Identify: Standing water remaining after cycle; debris visible on filter when accessed.

Part: Drain pump filter

Debris in internal pump or hoses

How to Identify: Visible debris like lint, coins, hair noted when filter/pump is removed; water backs up.

Part: Internal pump/hoses

Error codes triggering drain stoppage

How to Identify: Specific error codes displayed (e.g., OE indicating drainage issues.

Part: Control board/sensors

DIY Solutions

Clean the drain pump filter

Moderate 15-30 minutes
Tools Needed: screwdriver, towels, container
  1. Unplug the washer dryer.
  2. Open the access panel to the drain pump filter.
  3. Place a container beneath to catch water, unscrew and remove the filter.
  4. Clean out lint and debris, rinse filter, reinstall securely.
  5. Run a short drain cycle to test.
⚠️ Safety First: Always unplug before accessing internal components.

Straighten and check the drain hose

Easy 10-20 minutes
  1. Unplug machine and pull unit away from wall.
  2. Inspect the drain hose for kinks or bends.
  3. Straighten hose and ensure it is not elevated too high.
  4. Check for debris by briefly detaching hose and flushing with water.
  5. Reattach and secure hose.
  6. Run a test drain cycle.

Manual forced drainage

Moderate 15-30 minutes
Tools Needed: low tray or bucket
  1. Unplug the machine.
  2. Locate the small manual drain hose/panel at the bottom front of the unit.
  3. Place a shallow tray/bucket under the hose.
  4. Pull out the hose and remove plug to allow water to drain.
  5. Reinsert plug and clean any debris collected after water stops.
  6. Reconnect and test drain cycle.
⚠️ Safety First: Wear gloves; be prepared for water spillage.

Next step

Choose the next step for not draining

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 mins

Check fit & price
Model number required

Model-compatible Washer Dryer 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.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

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.

Maintenance supply

Dryer Vent Cleaning Kit

Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.

View maintenance supply
Maintenance supply

Lint Trap Cleaning Brush

A narrow brush for routine cleaning around an accessible lint screen and housing.

View maintenance supply
Maintenance supply

Dryer Vent Hose Kit

A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace drain pump

Estimated Cost: $80 - $200

Internal hose/pump passage cleaning or replacement

Estimated Cost: $100 - $250

When to Call a Professional

No drainage after cleaning filter/hose and manual drainage
Unusual noises from pump or motor area during drain cycle
Electrical error codes persist after simple troubleshooting

Preventive Maintenance

  • Clean drain pump filter: Filter blockages and drainage issues
    Frequency: monthly
  • Inspect and straighten drain hose: Hose kinks/blockage leading to non‑draining
    Frequency: every 3 months

Frequently Asked Questions

Why is my LG Washer Dryer not draining?
Common causes include a clogged drain pump filter, debris in the pump, or triggered error codes.
How do I fix LG Washer Dryer not draining myself?
You can clean the drain pump filter, check the drain hose for kinks, or manually drain the water.
How much does it cost to fix not draining?
Professional repairs range from $80 to $250, depending on whether you need a pump replacement or internal cleaning.
When should I call a technician for not draining?
If DIY fixes don't resolve the issue or if the problem persists, it's best to contact a technician.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Clogged drain hose
  • Faulty drain pump
  • Blocked lint filter or pump filter

User Suggested Solutions

  1. Check and clear the drain hose. Disconnect the hose from the back of the washer and inspect for any clogs. Use compressed air to clear any blockages. Reconnect the hose securely.

  2. Inspect and replace the drain pump if necessary. Access the pump by removing the front panel of the washer dryer. Check for any visible damage or obstructions and replace the pump if it is malfunctioning.

  3. Clean the lint filter and pump filter. Locate the filter, usually at the front bottom of the machine. Remove it and clean out any lint or debris that may be blocking water flow.

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

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

  1. LG All-in-One Washer/Dryer DRAINING PROBLEMS

Community Discussions

draining problems

Use compressed air to clear the hose or disconnect the outlet hose to check for clogs.

Source: Reddit r/appliancerepair

User Comments (0)

Share your experience or solution below.

Be the first to comment!

Call Local Repair Provider +1 (888) 217-6318