PartsCompat UK
Diagnosis Electrolux

Why is my Electrolux dishwasher not draining?

A dishwasher that won't drain leaves standing water and dirty dishes. Most drainage problems are caused by blockages or a faulty pump. Follow these steps to identify and fix the issue.

Most likely causes

  • 45% Food debris and grease accumulate in the filter, stopping water from flowing out.
  • 25% The hose connecting to your sink trap gets twisted or pinched during installation or movement.
  • 20% The pump motor fails or becomes stuck, preventing water expulsion.
  • 10% Your kitchen sink's U-bend trap is blocked, backing up into the dishwasher.

How to diagnose it

  1. 1

    Stop and empty the machine

    Switch off the dishwasher immediately. Use a jug or towel to remove standing water manually.

  2. 2

    Remove and clean filter

    Open the door and locate the cylindrical filter at the bottom. Unscrew it anticlockwise and rinse under hot water to remove food debris.

  3. 3

    Check spray arms spin freely

    Replace the filter and rotate both spray arms by hand. They should turn smoothly without obstruction.

  4. 4

    Inspect the drain hose

    Locate the hose running from the dishwasher to your sink trap. Check for kinks, splits or crushed sections along its length.

  5. 5

    Straighten kinked hose

    Gently bend any twisted hose back into shape. Ensure it slopes downward to the drain without loops or high points.

  6. 6

    Run a test cycle

    Replace any removed parts and run a short drain or rinse cycle. Listen for the pump motor engaging and check for leaks.

  7. 7

    Check kitchen sink trap

    If water still won't drain, place a bucket under your sink's U-bend trap. Unscrew the cap by hand and clear any blockage inside.

⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.

FAQs

Can I use a plunger on my dishwasher?
No. Plungers can damage internal components. Use manual water removal and filter cleaning instead.
Is it safe to run the dishwasher with standing water?
No. This can flood your kitchen and damage the pump. Always empty water before running any cycle.