LG Washing Machine: drainage failure
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.
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
- Unplug washer and open bottom access panel.
- Place container/towels to catch water.
- Pull out small drain hose to release water.
- Unscrew and remove drain pump filter.
- Clean debris and rinse filter.
- Reinstall filter, close panel, test drain cycle.
Inspect and clear drain hose
- Unplug washer.
- Access rear drain hose.
- Straighten any kinks and check positioning height.
- Disconnect hose and flush out debris with water or brush.
- Reconnect hose and test drain.
- Ensure hose installation matches LG recommended height.
Check for frozen/hose installation issues
- In cold conditions, pour warm water into tub to thaw frozen hose.
- Ensure drain hose isn’t installed too high or looped.
- Test drain after adjustments.
Next step
Choose the next step for drainage failure
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Door or Lid Switch
Detects whether the appliance door or lid is safely closed before operation.
Model-compatible Washing Machine 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.
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.
Washing Machine Cleaner Tablets
Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.
Braided Washer Inlet Hoses
A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.
Washer Drain Hose Holder
Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.
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
Repair/replace control board or timer
Replace lid switch assembly
When to Call a Professional
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?
How do I fix LG Washing Machine drainage failure myself?
How much does it cost to fix drainage failure?
When should I call a technician for drainage failure?
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
- Blocked or faulty drain pump
- Kinked or damaged drain hose
User Suggested Solutions
-
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.
-
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.
-
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.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
Community Discussions
drainage failure errors
The drainage error is displayed when it takes more than 10 minutes to drain, indicating a flow rate issue.
Source: Reddit r/appliancerepair
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