Why Is My Washing Machine Not Draining?

Standing water in your washer drum at the end of a cycle is a clear sign something's gone wrong with the drain system. The good news: most drainage problems have straightforward causes that you can troubleshoot and fix at home without specialized training.

Common Causes of Drainage Failure

  • Clogged drain pump filter — the most frequent culprit
  • Kinked or blocked drain hose
  • Faulty lid switch or door latch (top-loaders won't spin/drain if the lid switch fails)
  • Failed drain pump motor
  • Clogged standpipe or household drain

Tools You'll Need

  • Towels and a shallow pan or bucket
  • Pliers
  • Screwdriver (flathead and Phillips)
  • Flashlight

Step 1: Check the Drain Hose

Pull your washer out from the wall slightly and inspect the drain hose at the back. Look for:

  • Kinks or sharp bends that restrict flow
  • Blockages at the point where the hose meets the wall standpipe

The drain hose should not be inserted more than 6–8 inches into the standpipe, as this can cause a siphoning effect. Straighten any kinks and ensure the hose sits at the correct height (typically 34–36 inches off the floor).

Step 2: Clean the Drain Pump Filter

Most front-load washers have a pump filter accessible via a small panel on the lower front of the machine. Here's how to clean it:

  1. Place towels and a shallow pan in front of the access panel — water will spill out.
  2. Open the panel and locate the filter cap (usually a round plug).
  3. Slowly unscrew the cap, letting water drain into your pan gradually.
  4. Once water stops flowing, fully remove the filter and clean out any lint, coins, hair ties, or debris.
  5. Rinse the filter under running water, then reinsert and tighten firmly.
  6. Run a rinse/spin cycle to test.

Step 3: Test the Lid Switch (Top-Loaders)

On top-loading machines, the lid switch tells the washer it's safe to spin and drain. If it's broken, the machine may stop mid-cycle. To test it:

  1. Open the lid and locate the small plastic switch tab near the hinge area.
  2. Press it manually while the washer is in a drain cycle — you should hear a click.
  3. If there's no click or the machine doesn't respond, the switch likely needs replacement. These are inexpensive and widely available by model number.

Step 4: Listen for the Drain Pump

During a drain cycle, put your ear near the front-bottom of the machine. You should hear a humming sound from the pump motor. If you hear:

  • Nothing at all: The pump motor may have failed and needs replacement.
  • Humming but no draining: Something is likely jamming the pump impeller — foreign objects like bra underwires are common offenders.

When to Call a Professional

If you've cleared the filter, checked the hose, and tested the lid switch but water still won't drain, you may be dealing with a failed pump motor or a control board issue. Pump replacement is a moderate DIY repair on many models, but if you're uncomfortable working with internal wiring, a certified appliance technician is your safest option.

Preventive Maintenance Tips

  • Clean the pump filter every 3–6 months as routine maintenance.
  • Always check pockets before washing — coins and small objects are a leading cause of pump damage.
  • Use the correct amount of detergent; excess suds can impede drainage and buildup.