Here's a comprehensive guide to troubleshooting a noisy dishwasher:

Common Causes and Solutions

• Grinding or Rattling Noises
  • Check for debris in the pump area or spray arms
  • Look for misaligned or damaged spray arms
  • Ensure dishes are properly loaded and secure
• Humming or Buzzing
  • Check if drain hose is properly installed
  • Look for clogs in the drain system
  • Inspect the pump for obstructions

DIY Troubleshooting Steps

• Remove and clean the spray arms
• Clear any debris from the filter and pump area
• Check that the unit is level on the floor
• Inspect the water inlet for proper flow

When to Call a Professional

• If you hear grinding metal sounds
• When noise persists after basic troubleshooting
• If you notice electrical issues or burning smells

⚠️ Always disconnect power before attempting any internal inspection or maintenance.

Regular maintenance and cleaning can prevent many common noise issues. Run an empty cycle monthly to keep the system clean and functioning properly.