Top of Dishwasher Not Cleaning: A Comprehensive Guide

If the top of dishwasher not cleaning is a problem you’re facing, you’re not alone. This common issue can be frustrating, but with the right guidance, it’s easily solvable. In this article, we’ll walk you through a detailed step-by-step process to get your dishwasher back to optimal performance.

Top of Dishwasher Not Cleaning
From by Castorly Stock

Top of Dishwasher Not Cleaning: Identify the Problem

Understanding why the top of your dishwasher is not cleaning properly is the first step. Here’s how to identify the problem:

  1. Check the Spray Arms: Look for clogs or damage. Debris like food particles can obstruct the water flow.
  2. Inspect the Water Inlet Valve: Ensure that it’s not obstructed and is allowing water to enter the dishwasher properly.
  3. Examine the Filters: Dirty or misplaced filters can affect the cleaning process. Make sure they are clean and properly placed.

Clean the Spray Arms

If the spray arms are clogged, here’s how you can clean them:

  1. Turn Off and Unplug the Dishwasher: Safety first! Make sure the dishwasher is off and unplugged.
  2. Remove the Spray Arms: Follow the manufacturer’s instructions or unscrew them if applicable.
  3. Clean the Holes: Use a toothpick or thin wire to remove any debris from the holes.
  4. Rinse the Spray Arms: Run them under water to remove any remaining debris.
  5. Reattach the Spray Arms: Secure them back in place and run a test cycle to see if the problem is resolved.
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For more articles on dishwashers, click here: Dishwasher Problems and Solutions: Your Ultimate Guide to Hassle-free Dishwashing

Check and Clean the Filters

Dirty filters can also cause the top of the dishwasher not to clean properly. Here’s how to clean them:

  1. Locate the Filters: Usually found at the bottom of the dishwasher.
  2. Remove the Filters: Follow the manufacturer’s instructions to remove them.
  3. Clean the Filters: Rinse them under running water and use a soft brush if needed.
  4. Reinstall the Filters: Place them back in their original position and run a test cycle.

Inspect and Test the Water Inlet Valve

If the water inlet valve is obstructed, it can affect the cleaning process. Here’s how to inspect and test it:

  1. Locate the Water Inlet Valve: Usually found behind the kickplate.
  2. Inspect for Obstructions: Look for any visible debris or damage.
  3. Test the Valve: If you’re unsure about its functionality, it may be best to consult a professional technician.


By following these detailed steps, you should be able to resolve the issue of the top of dishwasher not cleaning. If the problem persists, don’t hesitate to consult a professional technician, as there may be underlying issues that require expert attention.