My Dishwasher Isn't Cleaning Dishes

Dirty dishes after a wash cycle indicate a problem. Here's how to diagnose and fix it.

Quick Checks

Water Temperature

• Should be 120°F minimum
• Run hot water in sink before starting
• Check water heater setting

Detergent

• Using correct type?
• Fresh detergent?
• Correct amount?
• Don't use dish soap

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• Not overcrowded?
• Dirty surfaces facing spray
• Not blocking spray arms
• Items not nesting

Common Causes

Dirty Filter

Most common culprit.

Solution:

• Remove bottom rack
• Locate and remove filter
• Clean under running water
• Scrub with brush
• Replace and test

Blocked Spray Arms

Debris clogs spray holes.

Solution:

• Remove spray arms
• Clear each hole with toothpick
• Rinse thoroughly
• Ensure arms spin freely

Clogged Spray Arm Holes

Mineral buildup restricts water.

Solution:

• Soak in vinegar
• Clear with toothpick
• Rinse and reinstall

Water Supply Issues

Not enough water entering.

Check:

• Water inlet valve
• Float switch
• Supply line

Maintenance Tips

Regular Care

• Clean filter weekly
• Run empty cycle monthly
• Use dishwasher cleaner
• Check spray arms

Best Results

• Scrape (don't rinse) dishes
• Use rinse aid
• Run hot water first
• Don't overload

When to Call Service

• Filter cleaning doesn't help
• Spray arms damaged
• Water not filling
• Detergent not dispensing
• Error codes displayed

Call us: (781) 604-1175