Dishwasher Not Cleaning Dishes?

Why are my dishes still dirty after running the dishwasher? Common causes, what you can check, and when to call technicians.

6-Month Warranty

Service-call pricing

Applied to the cost of the repair when work is done.

$120

Diagnostic visit · same flat rate for all appliances

Warranty: 6-month parts, 3-month labor. Technician quotes the repair on-site before any work.

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Appliance Down? Instant SMS & Email Confirmation.

Submit below — you get an instant SMS + email confirming we've received your request. Our dispatcher locks in your tech's exact arrival time within 1 business hour. Live tracking link in every message.

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Most jobs scheduled same-day or next-day.

Required fields marked *. Up-front pricing — diagnostic fee disclosed before dispatch.

No payment required. You'll get an SMS + email confirmation as soon as our dispatcher reviews — usually within 1 business hour.

Common causes of dishwasher not cleaning dishes

Improper Loading

minorCan DIY check

Dishes blocking the spray arms or nesting together prevent water and detergent from reaching all surfaces. Overcrowding is a common culprit.

Clogged Filter or Spray Arms

importantCan DIY check

Food debris can accumulate in the filter or clog the small holes in the spray arms, reducing water pressure and its ability to clean.

Low Water Temperature

importantPro recommended

The dishwasher needs hot water (ideally 120°F) to dissolve grease and activate detergent. If your water heater is set too low or there's an issue with the water inlet valve, cleaning suffers.

Worn Out Wash Arm Seals

importantPro recommended

Leaking seals in the wash arms can cause a loss of water pressure, meaning less water is effectively sprayed onto the dishes.

Faulty Water Inlet Valve

criticalPro recommended

If the valve doesn't open fully or is clogged, the dishwasher won't get enough water to wash properly. This can also lead to a complete lack of water.

Detergent Issues

minorCan DIY check

Using the wrong type or amount of detergent, or using old, ineffective detergent, can lead to poor cleaning results. Ensure you're using a detergent designed for automatic dishwashers.

Quick checks you can run safely

  1. 1

    Check Dishwasher Loading

    Ensure dishes are not blocking the rotation of the spray arms. Avoid nesting items and make sure water can reach all surfaces.

  2. 2

    Inspect and Clean the Filter

    Locate the filter at the bottom of the dishwasher tub (usually twists out). Remove and rinse it thoroughly under running water. Check for any food debris or obstructions.

    Safety: Ensure the dishwasher is unplugged from the power source before reaching into the tub.
  3. 3

    Verify Spray Arm Rotation and Holes

    Manually spin the spray arms to ensure they move freely. Check the small holes in the arms for clogs and clear them with a toothpick or wire if necessary.

    Safety: Be careful of sharp edges on the spray arms.
  4. 4

    Check Water Temperature

    Run the hot water at a nearby sink until it's fully hot. Then, immediately start the dishwasher. This ensures the dishwasher fills with hot water.

  5. 5

    Review Detergent Usage

    Confirm you are using a detergent specifically made for automatic dishwashers and that you are using the recommended amount. Check the detergent's expiration date.

When to call a pro right away

  • Dishwasher does not fill with water at all

    This could indicate a problem with the water supply line or the water inlet valve, which requires professional diagnosis and repair.

  • You hear unusual noises during the wash cycle

    Grinding, banging, or excessive humming could signal a failing pump motor or other internal component that needs expert attention.

  • The dishwasher leaks water

    Leaks can cause significant water damage to floors and cabinets. Identifying the source of the leak often requires specialized tools and knowledge.

  • The dishwasher does not drain

    A failure to drain can be caused by a clogged drain hose, a faulty drain pump, or issues with the air gap or garbage disposal connection, all of which need professional assessment.

Saw a red flag above? Don't wait.

Same-day service. transparent service-call pricing (applied to repair) — applied to your repair.

Typical repair time once diagnosed: 75 minutes

Error code on your display?

Look up your brand's error codes for dishwasher not cleaning dishes — we cover the most common codes for each brand we service.

This page provides general diagnostic guidance for dishwasher not cleaning dishes. Specific causes and repairs vary by appliance brand, model, and condition. For accurate diagnosis, contact a licensed appliance repair technician. Repairs involving refrigerant systems, gas lines, or high-voltage circuits require certified professionals — DIY attempts on these systems may be illegal and dangerous.

How our repair process works

Five steps from your first call to the warranty receipt. No surprises.

  1. 1

    Inspection

    Your technician examines the appliance, listens to your description, and notes the model + serial for parts lookup. Visual + audio-based diagnostics first — non-invasive.

  2. 2

    Diagnostics

    Targeted tests on the failing subsystem (compressor, control board, heating element, motor, etc.) to identify the exact root cause. You get a clear explanation, not jargon.

  3. 3

    Fix decision

    Up-front estimate before any work begins: cost, parts, and the realistic likelihood of success vs. recommending replacement on an old or uneconomical unit. You decide.

  4. 4

    Operational test

    After the repair we run the appliance through its normal cycle on-site — never "it should work now, call us if it doesn't." You sign off when it's actually working.

  5. 5

    Warranty + consultation

    Receipt with warranty terms in writing. Plus a quick walkthrough of how to extend the appliance's life (filter cleaning, drain maintenance, etc.) — included free.

What our customers say

Excellent4.8Verified Google Reviews
View all on Google
Nancy Chapman

Nancy Chapman

11 months ago
Google

Pavel responded to my phone call quickly. We immediately scheduled a time for him to come to my house to check on my appliance. A month ago I scheduled another repairman to check my icemaker but he could not repair it. A couple of days ago, a friend refer…

Josh Wainer

Josh Wainer

a year ago
Google

Pavel was great. Came on time. Diagnosed and found this issue right away. Very knowledgeable. He found the best and most cost effective way to fix our appliance. I would absolutely call again. I just hope I don't need to :)

nadirangel7

nadirangel7

a year ago
Google

He fixed my refrigerator and that I really appreciate that I can say thank you very much for the service. Fix it in two days. I love you thank you thank you.

Robert Williams

Robert Williams

a year ago
Google

"Fix It" is run by Paul who personally services all your appliances. He is reliable and his prices are very reasonable. He has repaired our refrigerator, washing machine and also installed our new dishwasher. We have extreme confidence in him and have never ha…

Nazar Maliarchuk

Nazar Maliarchuk

a year ago
Google

I had a great experience getting my refrigerator repaired. They fixed it in just 5 hours and even cleaned it thoroughly. Excellent service!

Hours of Operation(all times EDT)

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SunClosed
Same-Business-Day Response Available — call before noon for priority scheduling in your service area.
Weekend Service Available— we work Saturday and Sunday for operators who can't wait until Monday.
Office hours: Mon–Fri 7:30am–4:30pm EDT. Emergency dispatch available 24/7/365.

Appliance Down? Instant SMS & Email Confirmation.

Fixit Appliance Repair same-day available. Tech arrival time confirmed within 1 business hour.