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Dishwasher Not Cleaning Dishes: 5 Solutions

4/17/2026

Your dishwasher should make cleaning dishes effortless, but when it stops working properly, it becomes a frustration. If you're finding dishes still dirty after a wash cycle, you're not alone. This comprehensive guide covers the 5 most common causes and practical solutions you can try at home.

Common Causes & Solutions

1. Clogged Spray Arms (DIY)

  • Water doesn't spray properly, leaving dishes unwashed
  • Remove spray arms and clean holes with a toothpick
  • Cost: Free
  • When to call: If holes are cracked or arms won't reattach

2. Dirty Filter (DIY)

  • Debris blocks water circulation
  • Remove and rinse filter under running water
  • Cost: Free (or $20-50 if filter needs replacement)
  • When to call: If filter is damaged

3. Low Water Temperature (DIY)

  • Detergent doesn't dissolve, dishes stay greasy
  • Check water heater is set to 120°F minimum
  • Cost: Free
  • When to call: If water heater isn't heating

4. Faulty Wash Arm (Professional)

  • One or both spray arms don't rotate
  • Check for blockages
  • Cost to repair: from $399
  • Why call us: Requires disassembly and part replacement

5. Detergent Issues (DIY)

  • Wrong detergent type or expired product
  • Use dishwasher-specific detergent, check expiration date
  • Cost: $5-10 for new detergent
  • When to call: If problem persists with correct detergent

When to Call a Professional

✓ Spray arms won't rotate even after cleaning ✓ Water isn't entering the dishwasher ✓ Strange noises during wash cycle ✓ Leaking from bottom or sides ✓ Multiple issues at once

Why Trust Mr. Shark for Dishwasher Repair

Dishwashers are complex appliances. While some issues are simple fixes, others require professional diagnosis and specialized parts. Here's why calling a pro saves time and money:

  • Correct diagnosis: We identify the real problem, not just symptoms
  • Quality parts: Genuine replacement parts with warranty
  • 1-year warranty: All repairs backed by our guarantee
  • Same-day service: Available in Orlando and surrounding areas
  • Transparent pricing: $69 diagnostic fee waived if you proceed with repair

Ready to get your dishwasher working like new? Call us today at (321) 381-4321 for same-day service or book online.

⚠️ Important Safety Notice

Attempting DIY repairs on appliances without proper training and tools can result in serious damage to your equipment, void manufacturer warranties, and create safety hazards including electrical shock, gas leaks, or water damage. Many appliance issues require specialized diagnostic equipment and professional expertise to resolve safely and effectively.

✓ When to Call a Professional

If you've identified an issue but are unsure about the repair process, or if the problem persists after basic troubleshooting, we strongly recommend contacting Mr. Shark Appliances Repair. Our certified technicians have the expertise, tools, and parts inventory to diagnose and repair your appliance correctly the first time, with a 1-year warranty on all repairs.

Frequently Asked Questions

Why are my dishes still dirty after washing?

Common causes include clogged spray arms, dirty filter, or low water temperature.

How do I clean the spray arms?

Remove them and use a toothpick to clear the small holes that spray water.

What detergent should I use?

Use dishwasher-specific detergent. Regular dish soap will cause excessive suds.

Related Services & Guides

Dishwasher Repair Service
Professional dishwasher repair and maintenance

Service Areas

We provide same-day repair service in these areas:

→ Orlando→ Winter Park→ Apopka→ Oviedo→ Altamonte Springs→ Sanford→ Heathrow→ Lake Mary

Need Professional Help?

Our certified technicians are available 24/7 for same-day repairs with a 1-year warranty.

✓$69 diagnostic fee
✓1-year warranty
✓Same-day service
✓All major brands

Service Areas

We serve Orlando, Winter Park, Apopka, Oviedo, Altamonte Springs, Sanford, Heathrow, Lake Mary, Wekiwa Springs, Maitland, Alafaya, College Park, Chuluota, University, Baldwin Park, Winter Springs, Casselberry, Longwood, and Alaqua Lakes.