Dishwasher won’t drain

Dishwasher won’t drain


A dishwasher that won’t drain can leave you with a pool of dirty water in the bottom of the appliance, making it impossible to use for cleaning your dishes. This issue can be caused by various factors, and it’s essential to identify and address the problem to ensure your dishwasher operates efficiently. In this guide, we’ll explore common reasons why a dishwasher may not drain and provide troubleshooting steps to help you diagnose and potentially resolve the issue.

Common Causes of a Dishwasher That Won’t Drain

  1. Clogged Drain Filter: Food debris and particles can accumulate in the dishwasher’s drain filter or filter screen, obstructing water flow and preventing proper drainage.
  2. Blocked Drain Hose: A kinked or blocked drain hose can impede the flow of water, causing it to back up in the dishwasher.
  3. Faulty Drain Pump: A malfunctioning or worn-out drain pump may not be effectively removing water from the dishwasher.
  4. Drain Valve Issues: The drain valve, which controls the release of water, can become stuck or faulty, preventing proper drainage.
  5. Air Gap or Garbage Disposal Blockage: If your dishwasher is connected to an air gap or garbage disposal, blockages in these components can interfere with drainage.
  6. Excessive Food Debris: Large food particles or foreign objects that are not adequately broken down during the wash cycle can block the drainage system.

Troubleshooting Steps for a Dishwasher That Won’t Drain

  1. Safety First:
    • Before troubleshooting, ensure the dishwasher is unplugged or disconnected from the power source to prevent electrical hazards.
  2. Check the Drain Filter:
    • Locate and remove the dishwasher’s drain filter or filter screen. Clean it thoroughly to remove any debris or particles that may be blocking water flow.
  3. Inspect the Drain Hose:
    • Examine the drain hose for kinks, bends, or blockages. Straighten any kinks and ensure the hose is properly connected to both the dishwasher and the drain source.
  4. Examine the Drain Pump:
    • If you suspect a problem with the drain pump, carefully inspect it for visible damage or signs of wear. If you notice issues, consider replacing the pump following your dishwasher’s specifications.
  5. Check the Drain Valve:
    • Inspect the drain valve for proper functioning. If it appears stuck or damaged, it may need to be repaired or replaced.
  6. Clear Air Gap or Garbage Disposal: If your dishwasher is connected to an air gap or garbage disposal, check for blockages in these components and clear them if necessary.
  7. Manually Remove Excess Water:
    • Using a cup or a towel, carefully remove excess water from the dishwasher’s interior.
  8. Run a Test Cycle:
    • After performing the above steps, run a test cycle with the dishwasher empty to see if it drains properly.
  9. Consult a Professional:
    • If the dishwasher continues not to drain despite troubleshooting, or if you suspect a more complex issue with internal components, it’s advisable to contact a dishwasher repair technician for a thorough assessment and repair.


A dishwasher repair that won’t drain can disrupt your kitchen routine and prevent proper cleaning of your dishes. By following the steps outlined in this guide and ensuring that the drain filter, drain hose, and other components are not obstructed, you can often identify and address the problem. Remember to consult your dishwasher’s user manual for specific guidance, and consider seeking professional assistance if the issue persists or if you suspect a more significant problem with internal components.


Call Now Button647-303-4997