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Quick answer
Turn off the washer and unplug it. Check the drain hose for clogs, clean the pump filter, and ensure the drain line is clear. If the pump motor is faulty, it may need replacement.
Confirm the symptom
- Washer fills with water but does not drain
- Clothes remain wet after cycle ends
- Water pools at the bottom of the washer
- Drain pump makes noise but no water exits
Tools and prep
- Screwdriver (flathead or Phillips, depending on model)
- Bucket or towel to catch water
- Flashlight for visibility
- Work gloves to avoid cuts
- Plumber's snake or wire hanger for clogs
- Owner’s manual for model-specific guidance
- Turn off power at the circuit breaker for safety
Step-by-step troubleshooting
- Check for PowerDo: Ensure the washer is plugged in and the circuit breaker hasn’t tripped.Observe: Washer powers on normally.Means: Power is not the issue.Next: Check the drain hose for clogs.
- Inspect the Drain HoseDo: Locate the drain hose at the back of the washer and check for kinks or clogs.Observe: Water flows freely from the hose when you lift it.Means: Hose is clear.Next: Clean the pump filter.
- Clean the Pump FilterDo: Find the pump filter access panel (usually at the front or bottom of the washer) and remove it. Clear any debris from the filter and pump area.Observe: No visible blockage in the filter or pump.Means: Pump is likely not clogged.Next: Check the drain line.
- Check the Drain LineDo: Ensure the drain line is not clogged and is properly connected to the home’s drain system.Observe: Water drains smoothly into the home’s plumbing.Means: Drain line is clear.Next: Test the drain pump motor.
- Test the Drain Pump MotorDo: Listen for the pump motor running during the drain cycle. If it runs but no water drains, the impeller may be damaged.Observe: Pump motor runs but no water moves, or no sound at all.Means: Pump motor or impeller is faulty.Next: Replace the drain pump if necessary.
- Replace the Drain PumpDo: Purchase a model-specific drain pump and install it following the manufacturer’s instructions.Observe: Washer drains water properly after replacement.Means: Issue is resolved.Next: Final test: Run a full cycle with a small load.
Common causes
| Cause | Likelihood | Difficulty | Part often needed |
|---|---|---|---|
| Clogged drain hose Debris or lint blocks water flow. | Common | Easy | No |
| Clogged pump filter Hair, lint, or small objects block the pump. | Common | Easy | No |
| Clogged drain line Grease, soap scum, or debris in the home’s plumbing. | Sometimes | Easy–Medium | No |
| Faulty drain pump motor Motor fails to run or impeller is damaged. | Sometimes | Medium | Yes |
| Blocked drain pump impeller Hardened debris or foreign objects prevent rotation. | Sometimes | Medium | Yes |
| Malfunctioning water level pressure switch Switch fails to signal the pump to activate. | Rare | Hard | Yes |
| Faulty control board Board does not send power to the pump. | Rare | Hard | Yes |
Parts matching
When replacing parts, ensure compatibility with your washer model.
- Check the model number on the washer’s data tag.
- Purchase OEM or high-quality aftermarket parts.
- Verify part numbers match the manufacturer’s specifications.
- Consult the owner’s manual for installation guidance.
- Use a trusted retailer or manufacturer website for parts.
Keep the owner’s manual handy to avoid compatibility issues.
When to call a professional
- Drain pump motor is damaged and you’re unsure of replacement steps
- Clogs persist after multiple cleaning attempts
- Water leaks from the washer or drain line
- Error codes persist after troubleshooting
- You lack the tools or confidence to safely replace parts
FAQ
Why is my washer not draining even after cleaning the filter?
The drain pump motor might be faulty, or there could be a deeper clog in the drain line or pump impeller.
Can a clogged drain hose cause a smelly washer?
Yes, stagnant water in a clogged hose can lead to mold and mildew, causing odors.
How often should I clean the pump filter?
Every 3–6 months, or more frequently in areas with hard water or high lint buildup.
Is it safe to use a plumber’s snake on the drain line?
Use cautiously; avoid damaging the drain line. A wet/dry vacuum is a safer alternative for minor clogs.
Can a faulty water level switch prevent drainage?
Yes, if the switch fails to signal the pump, the washer may not initiate the drain cycle.