Samsung Dishwasher: not cleaning properly

Possible Causes

Clogged or dirty filter

How to Identify: Slow draining, visible food debris on dishes, bad odors, filter visibly clogged

Part: Dishwasher filter

Improper loading blocking water flow

How to Identify: Large items block spray arms, dishes shielded from water jets

Part: User loading arrangement

Detergent dispenser issues or poor detergent choice

How to Identify: Detergent not dissolving fully, detergent residue left, dispenser not opening properly

Part: Detergent dispenser/detergent type

Low water temperature

How to Identify: Greasy residue, dishes not sanitized, water below ~120°F at start

Part: Water heater/ dishwasher heater

Faulty circulation or heating element

How to Identify: Dishwasher runs but no pressure or water heating, consistent poor cleaning across cycles

Part: Circulation pump/heating element

DIY Solutions

Clean the dishwasher filter

Easy 10-20 minutes

Tools Needed: gloves, old toothbrush

1. Turn off and open dishwasher
2. Remove lower rack and take out filter
3. Rinse filter under running water and scrub debris with brush
4. Reinstall filter and run a rinse cycle

⚠️ Safety First: Ensure power is off before handling internal parts

Clean spray arms

Moderate 15-30 minutes

Tools Needed: screwdriver (if needed), toothpick or small brush, warm water

1. Remove spray arms according to manual
2. Rinse under warm water and clear holes using brush or toothpick
3. Check that arms spin freely and reinstall
4. Run an empty cycle to flush out debris

⚠️ Safety First: Be careful not to damage plastic spray arms

Correct dish loading

Easy per load

1. Do not overcrowd dishes
2. Place large items properly so they do not block spray arms
3. Ensure open ends of bowls face spray
4. Distribute items evenly on racks

Use proper detergent and loading steps

Easy per load

1. Use high quality detergent appropriate for water hardness
2. Place detergent properly in dispenser
3. Do not overuse rinse aid or detergent pods incorrectly

Increase water temperature

Moderate 5-10 minutes to adjust water heater

1. Ensure home water heater is set to at least 120°F/49°C
2. Run dishwasher on a hot cycle

⚠️ Safety First: Avoid burns from hot water

Next step

Choose the next step for not cleaning properly

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Dishwasher Filter

Screens food debris from recirculating wash water and protects the pump system.

Typical part-only price

$15 - $65

DIY difficulty

Easy

Estimated time

5-15 mins

Optional: enter your model number

Apply

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Detergent Dispenser

Releases detergent, bleach, or rinse aid at the correct moment in the cycle.

$30 - $70 · Easy · 15-30 mins

Check fit & price

Possible related component

Heating Element

Heats the water or air inside the appliance to the required temperature.

$40 - $95 · Medium · 30-45 mins

Check fit & price

Possible related component

Dishwasher Circulation Pump

Circulates pressurized water through the dishwasher spray arms during the wash cycle.

$90 - $220 · Hard · 60-120 mins

Check fit & price

Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply

Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace circulation pump or heating element

Estimated Cost: $100 - $300 for parts

Professional inspection for internal blockages or faults

Estimated Cost: $80 - $150 labor (varies)

When to Call a Professional

Dishwasher continues to not clean despite filter and spray arm cleaning

Dishwasher displays error codes indicating pump or heating issues

Water does not heat or there is no spray pressure

Preventive Maintenance

• Clean filter: Clogs that cause poor cleaning
  Frequency: monthly
• Clean spray arms: Spray jet blockage and uneven cleaning
  Frequency: monthly or bi-monthly
• Run maintenance cycles with dishwasher cleaner: Mineral build-up and grease deposits
  Frequency: monthly

Frequently Asked Questions

Why is my Samsung Dishwasher not cleaning properly?

Common causes include clogged filters, improper loading, and detergent issues.

How do I fix Samsung Dishwasher not cleaning properly myself?

Clean the filter, spray arms, and ensure proper loading and detergent use.

How much does it cost to fix not cleaning properly?

Professional repairs range from $80 to $300 depending on the issue.

When should I call a technician for not cleaning properly?

Call a technician if DIY solutions don't work or if internal blockages are suspected.

Common Issues Reported by Users

• Motor/valve failure affecting water pressure to spray arms (1 mentions)
• Broken door seal (1 mentions)

User Suggested Solutions

1. Replace broken door baffle (part DD69-00017A)

2. Check and possibly replace motor/valve for water pressure issues

Community Discussions

dishes not coming out clean, broken seal

The door baffle part DD69-00017A is the correct part to replace the broken seal.

DIY View on Reddit →

leaving dishes dirty, not fully cleaning dishes, leaving sprayed on food particles

Possible motor/valve failure affecting water pressure to spray arms.

DIY View on Reddit →

Source: Reddit r/appliancerepair