LG Washer Not Draining Water: Troubleshooting Guide
Quick answer
If your LG washer isn't draining water, first check for a clogged drain pump filter or hose. Clear any blockages and ensure the pump is working. If the issue persists, inspect the drain pump for damage.
Confirm the symptom
- Water remains in the drum after cycle ends
- Washer makes gurgling or humming noises during drain phase
- Drain hose is kinked or clogged
- Error code related to drainage appears on display
Tools and prep
- Screwdriver — To remove panels and access components
- Plunger — To clear minor clogs in the drain hose
- Shop vacuum — To remove standing water and debris
- Flashlight — To inspect dark areas for blockages
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Prep & safety
- Unplug the washer to prevent electrical hazards.
- Place a towel under the washer to catch any water spills.
Step-by-step troubleshooting
Check for Error Codes
Do: Look at the washer's display for any error codes related to drainage.
Observe: Error code such as 'LE' or 'dU'
Means: The washer has detected a drainage issue.
Next: Refer to the user manual for code-specific troubleshooting.
Inspect Drain Hose
Do: Check the drain hose for kinks, clogs, or improper installation.
Observe: Hose is kinked or clogged with debris.
Means: Restricted water flow is preventing drainage.
Next: Straighten the hose or clear the clog with a plunger.
Clear Drain Pump Filter
Do: Locate and remove the drain pump filter. Clean out any lint, hair, or debris.
Observe: Filter is clogged with debris.
Means: Clogged filter is blocking water flow.
Next: Rinse the filter and reinstall it.
Check Drain Pump
Do: Inspect the drain pump for damage or blockages.
Observe: Pump is clogged or not spinning.
Means: Faulty or clogged pump needs cleaning or replacement.
Next: Clean the pump or replace it if damaged.
Verify Drain Line Installation
Do: Ensure the drain line is properly connected and not too high.
Observe: Drain line is too high or improperly connected.
Means: Improper installation hinders water flow.
Next: Adjust the drain line to the correct height and secure it.
Test Washer
Do: Plug in the washer and run a drain cycle to see if water drains properly.
Observe: Water drains completely without issues.
Means: Problem resolved after troubleshooting.
Next: No further action needed.
Common causes table
| Cause | Why | Likelihood | Difficulty | Part often needed |
|---|---|---|---|---|
| Clogged Drain Pump Filter | Debris blocks water flow through the filter. | High | Low | Drain Pump Filter |
| Clogged Drain Hose | Lint or debris blocks the hose. | High | Low | Drain Hose |
| Faulty Drain Pump | Pump motor fails or becomes clogged. | Medium | Medium | Drain Pump |
| Improper Drain Line Installation | Hose is kinked or too high. | Medium | Low | Drain Line |
| Blocked Drain Pipe | Debris in the home's drain pipe prevents water from exiting. | Low | High | Plumbing Service |
| Control Board Issue | Malfunctioning control board fails to activate the drain pump. | Low | High | Control Board |
Parts matching
When replacing parts, ensure they match your LG washer's model and specifications.
- Drain Pump Filter: model number and filter size
- Drain Pump: model number and pump specifications
- Drain Hose: length and diameter matching the original
- Control Board: exact model number and compatibility with your washer
Consult the user manual for part numbers and specifications.
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When to call a pro
- If the washer still doesn't drain after clearing all clogs and checking components
- If the drain pump is damaged and you're unsure about replacement
- If error codes persist after troubleshooting
- If you suspect a control board issue
- If the drain pipe in your home is blocked and requires professional cleaning
FAQ
How often should I clean the drain pump filter?
Clean the drain pump filter every 3-6 months to prevent clogs.
Can a clogged drain hose cause the washer to stop mid-cycle?
Yes, a clogged drain hose can cause the washer to pause or display an error code during the drain phase.
What does the 'LE' error code mean on my LG washer?
The 'LE' error code indicates a drainage issue, such as a clogged hose or faulty pump.
Is it safe to use a plunger on the drain hose?
Yes, using a plunger on the drain hose is safe and effective for clearing minor clogs.