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Reviewed by Elena Volkova — Senior Editorial Reviewer — Electrical, Smart Home & Appliances

Who to call · Appliance Repair Technician

Dishwasher not cleaning properly: call a appliance repair technician — or fix it yourself

Dishes coming out of the dishwasher still dirty, filmy, or with food residue is a common frustration. The culprit is often a clogged spray arm, worn wash pump, faulty water inlet valve, or a broken heating element that prevents water from reaching the right temperature. An appliance tech can diagnose and fix the issue.

Is this your problem?

Symptoms to look for

  1. 01

    Dishes come out with visible food residue or a white filmy coating

  2. 02

    Water pooling in the bottom of the dishwasher after a cycle

  3. 03

    Spray arms don't spin freely when pushed by hand

  4. 04

    Dishwasher water doesn't feel hot during mid-cycle check

Who to call

Appliance Repair Technician

An appliance technician replaces a failed circulation pump, heater or dispenser, and judges whether a 10-year-old machine is worth it against a new one.

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Fix it yourself

How to fix dishwasher not cleaning properly

Dishwasher not cleaning properly

easy 30–60 min

Tools: old toothbrush, toothpick or thin wire, screwdriver, flashlight · Materials: dishwasher cleaner or citric acid, rinse aid

Steps

  1. Remove the lower rack and lift out the filter assembly (twist and pull on most models); wash it in hot soapy water with a brush.
  2. Unclip or unscrew the spray arms and poke every hole clear with a toothpick; rinse and refit, checking they spin freely.
  3. Run the hottest cycle empty with a dishwasher cleaner or a cup of citric acid on the top rack to dissolve grease and scale.
  4. Top up rinse aid and check the salt if your machine has a softener — cloudy glasses are usually scale, not dirt.
  5. Load with the dirty side facing the arms, nothing blocking the detergent door, and run the hot tap at the sink before starting so the first fill is hot.

Stop and call a pro if

  • the spray arms do not turn during a cycle — the circulation pump or motor
  • the water is not hot at the end of a cycle — the heating element
  • the detergent door does not open, or the machine shows an error code

What a pro does that you can't

An appliance technician replaces a failed circulation pump, heater or dispenser, and judges whether a 10-year-old machine is worth it against a new one.

DIY cost: $5–15 for cleaner and rinse aid

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FAQ

Frequently asked questions

Who should I call for: Dishwasher not cleaning properly?

Call a licensed appliance repair technician. Appliance Repair Technicians have the specialized training, tools, and insurance to diagnose dishwasher not cleaning properly safely and stand behind the fix. Most offer free quotes and can visit the same day or the next.

Can I fix this myself?

Often, yes: the guide above has 5 steps (easy, 30–60 min, $5–15 for cleaner and rinse aid). Stop and call a appliance repair technician if the spray arms do not turn during a cycle — the circulation pump or motor.

How fast can a pro come out?

Most appliance repair technicians offer same-day or next-day visits for non-emergency issues. True emergencies (burst pipes, gas smell, no heat in winter) are typically handled within 1–4 hours.

How much does it cost to fix?

Costs vary by severity and your location. Submit a free quote request to get real pricing from local pros in your area.

What are the signs of: Dishwasher not cleaning properly?

Dishes come out with visible food residue or a white filmy coating. Water pooling in the bottom of the dishwasher after a cycle. Spray arms don't spin freely when pushed by hand. Dishwasher water doesn't feel hot during mid-cycle check.

Who to call

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