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Dishwasher Not Cleaning Dishes Properly – Expert Repair Guide in Raleigh

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Dishwasher not cleaning dishes properly
calendarMay 28, 2025

Symptoms of a Poorly Cleaning Dishwasher

Many homeowners in Raleigh face the frustrating issue of a dishwasher not cleaning dishes properly. Symptoms may include cloudy glassware, leftover food particles, and greasy dishes after a full wash cycle. If you're experiencing these, it's time to investigate the cause.

Step-by-Step Diagnostic Process

1. Spray Arm Inspection

Ensure spray arms can rotate freely and are not blocked. Remove and clean them thoroughly if debris or calcium buildup is found.

2. Filter and Drain Check

A clogged filter can restrict water flow and trap food particles. Remove the filter from the base, rinse with warm water, and scrub with a soft brush. Clear the drain pump area as well.

3. Water Inlet Valve Examination

If water pressure seems low, the inlet valve may be partially clogged or worn. Test with a multimeter and replace if necessary, especially in GE or Bosch models that are sensitive to pressure.

4. Heating Element Test

A malfunctioning element means detergent won’t dissolve properly. Inspect for breaks or corrosion and replace if faulty.

5. Detergent Dispenser Check

If the detergent isn't released properly, the door spring or latch could be broken. This is a common issue in Whirlpool models.

Real Repair Case Example

In a Whirlpool dishwasher repair job in Raleigh, the customer reported poor wash quality. We found that the spray arms were blocked and the inlet valve was underperforming. After replacing these parts and cleaning the filter, the dishwasher functioned like new.

Why Call Swift Appliance Repair

While DIY fixes exist, diagnosing faulty electronics, heating systems, and valves safely requires tools and expertise. Swift Appliance Repair professionals know the ins and outs of LG, Frigidaire, Bosch, and more. We fix it right the first time using genuine parts and proven repair techniques.

Common Brand-Specific Dishwasher Failures

  • Samsung: Fails to drain due to defective drain pump.
  • Bosch: Circulation motor failure causing weak spray pressure.
  • Whirlpool: Clogged spray arms and stuck detergent door.
  • LG: Control board issues causing incomplete cycles.

Maintenance Tips to Prevent Future Issues

  • Rinse off large food scraps before loading dishes.
  • Use recommended dishwasher-specific detergents only.
  • Clean the filter monthly and spray arms quarterly.
  • Run a vinegar cycle monthly to remove limescale.
  • Check and clean the door gasket regularly.

Conclusion

If your dishwasher isn’t cleaning dishes properly, don’t rush to replace it. Often, a focused diagnostic and quality repair can restore performance. Trusting professionals ensures the repair is done safely and effectively. In Raleigh, our team at Swift Appliance Repair is ready to help.

Frequently Asked Questions

Why does my dishwasher leave a white film?
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Usually from hard water. Use a rinse aid or run a vinegar cleaning cycle monthly to prevent buildup.
How much does it cost to fix a dishwasher that’s not cleaning?
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Typical costs range from $100–$300 depending on whether parts like the spray arms, filter, or valve need replacement.
Can I use regular dish soap?
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No. Regular soap produces suds that can overflow and damage internal components. Use only dishwasher detergent.
How often should I clean the filter?
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At least once a month, more often with heavy use or if you don’t rinse dishes.
Why are my dishes still wet after the cycle?
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Check the heating element. If broken, it won’t dry dishes properly. Also, try using a rinse aid.
Is replacing a heating element safe to do on my own?
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Not recommended. It involves high-voltage components. Let a professional handle it.
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