Whirlpool Dishwasher: not washing

Possible Causes

Clogged filter or spray arms

How to Identify: Visible food debris in filter; spray arm holes blocked; water not spraying forcefully.

Part: Filter, Lower and Upper Spray Arms

Water supply issues (valve not fully open, inlet blockage)

How to Identify: Insufficient water fill during cycle; dishwasher lacks water at start; poor washing especially on bottom rack.

Part: Water Inlet Valve / Supply Line

Improper loading or detergent use

How to Identify: Overloaded racks, items blocking spray arm rotation, wrong detergent type/amount.

Part: User loading pattern / Detergent dispenser

Low water temperature

How to Identify: Cycle runs normally but water not hot enough, dishes greasy or film remains.

Part: Household hot water supply

Faulty circulation pump/motor

How to Identify: No spray action despite clear filter and water supply; unusual noises from pump area.

Part: Circulation Pump/Motor Assembly

DIY Solutions

Clean filter and spray arms

Moderate 15-30 minutes

Tools Needed: Warm soapy water, Soft brush

1. Turn off power and open dishwasher door.
2. Remove bottom rack to access filter.
3. Take out and rinse filter under warm water; brush debris gently.
4. Remove spray arms if possible and clear holes of debris.
5. Reinstall parts and run a short cleaning cycle.

⚠️ Safety First: Ensure power is off before servicing

Check water supply and inlet

Moderate 10-20 minutes

Tools Needed: Screwdriver (if needed to access inlet)

1. Turn off water supply to dishwasher.
2. Verify shutoff valve is fully open.
3. Inspect inlet hose for kinks/clogs.
4. Check screen in water inlet valve for debris; clear if accessible.
5. Restore supply and test a cycle.

⚠️ Safety First: Turn off water and power before inspection

Improve loading and detergent use

Easy 5-10 minutes

1. Redistribute dishes to avoid blocking spray arms.
2. Use dishwasher-safe detergent as recommended.
3. Avoid overloading racks.
4. Ensure proper rinse aid and water temperature settings.

Professional Repairs

Replace circulation pump or motor

Estimated Cost: $150 - $400

Replace water inlet valve

Estimated Cost: $100 - $250

When to Call a Professional

Dishwasher fills with water but there is still no spray action

Unusual noise from pump/motor area

Internal electrical error codes appear

Preventive Maintenance

• Clean filter: Filter clogs that reduce washing performance
  Frequency: monthly
• Run hot cleaning cycle with vinegar or dishwasher cleaner: Mineral and grease buildup
  Frequency: monthly

Frequently Asked Questions

Why is my Whirlpool Dishwasher not washing?

Common causes include clogged filters, water supply issues, and improper loading.

How do I fix Whirlpool Dishwasher not washing myself?

Clean the filter and spray arms, check water supply, and optimize loading and detergent use.

How much does it cost to fix not washing?

Professional repair costs range from $100 to $400 depending on the issue.

When should I call a technician for not washing?

If DIY solutions don't resolve the issue or if you suspect a faulty pump or motor.

References & Sources

• Why is my dishwasher not cleaning dishes properly? Official

Can I Fix This Myself?

25%

DIY Success Rate Difficulty: Professional

Common Issues Reported by Users

• Dead wash pump (1 mentions)
• Water inlet valve issues (1 mentions)

User Suggested Solutions

1. Replace dead wash pump

   Success rate: 25.0%

Community Discussions

The dishwasher will run for its full time for a cycle. During its run it makes only a few of its normal noises, and it does not get the dishes clean.

The wash pump was dead and needed to be replaced. The user found the service manual online and diagnosed the issue using error codes.

DIY View on Reddit →

Source: Reddit r/appliancerepair