Maytag Dishwasher: not washing dishes

Professional Repair Guide

What is this symptom?

Are your dishes coming out dirty from your Maytag dishwasher? If your dishwasher runs a full cycle but leaves food residue, spots, or grit, it may indicate issues like a clogged filter, blocked spray arms, or improper loading. Understanding these common problems can help you restore your dishwasher's cleaning power.

Urgency: Medium

Important Tips for Maytag Models

  • Maytag recommends cleaning filters, using correct detergent, proper loading, and appropriate cycle selection to improve cleaning performance.

Possible Causes

Clogged or dirty filter

How to Identify: Food debris visible in filter area; water appears greasy or gritty on dishes after cycle.

Part: Dishwasher filter (primary and coarse filters)

Clogged or blocked spray arms

How to Identify: Spray arms do not spin freely by hand or have visible blockages in holes; dishes in certain areas are consistently dirtier.

Part: Upper, lower, center spray arms

Improper loading / blocked water flow

How to Identify: Overcrowded racks or large items block spray directions; repositioning items improves results.

Part: Loading configuration affecting spray arms

Incorrect detergent or insufficient detergent

How to Identify: Residue on dishes consistent with suds or film; detergent pods not dissolving properly.

Part: Detergent dispenser / detergent type

Low incoming water temperature

How to Identify: Water entering dishwasher is below ~120°F; clothes or dishes not cleaned well from grease-heavy loads.

Part: Hot water supply

Faulty circulation pump / impeller

How to Identify: No strong water spray during wash, pump motor silent or just humming after fill.

Part: Circulation pump or pump/motor assembly

Water inlet valve not supplying adequate water

How to Identify: Low water level in tub after fill; cycle seems to run normally but cleaning is poor.

Part: Water inlet valve

DIY Solutions

Clean the dishwasher filter

Easy 10-15 minutes
  1. Turn off and open the dishwasher.
  2. Locate the filter assembly at the bottom of the tub.
  3. Remove the filter elements per manual instructions.
  4. Rinse under warm water and scrub with a soft brush to clear debris.
  5. Reinstall the filter and run a test cycle.

Unblock and clean spray arms

Moderate 15-30 minutes
Tools Needed: toothpick or small brush
  1. Remove upper and lower spray arms as per manual.
  2. Inspect holes for debris and use a toothpick or small brush to clear blockages.
  3. Rinse spray arms under warm water.
  4. Ensure spray arms spin freely and reinstall them.
  5. Run a test wash.
⚠️ Safety First: Disconnect power before handling parts

Adjust loading and detergent usage

Easy 5-10 minutes
  1. Rearrange dishes to avoid overcrowding and ensure no items block spray arms.
  2. Place detergent pods in the dispenser compartment.
  3. Use correct dishwasher detergent and amount per manufacturer
  4. Select appropriate cycle for soil level.

Professional Repairs

Replace circulation pump or pump/motor assembly

Estimated Cost: $100 - $300

Replace water inlet valve

Estimated Cost: $50 - $150

When to Call a Professional

Pump motor is silent or humming after fill
Water fill level is low even with proper supply
Spray arms are damaged/cracked
Electrical components like control board show failure codes

Preventive Maintenance

  • Clean filter: Clog-induced poor cleaning
    Frequency: monthly
  • Run an empty hot cycle with cleaner (e.g., vinegar): Mineral and grease buildup in spray arms and interior
    Frequency: monthly

Frequently Asked Questions

Why is my Maytag Dishwasher not washing dishes?
Common causes include clogged filters, blocked spray arms, improper loading, and incorrect detergent usage.
How do I fix Maytag Dishwasher not washing dishes myself?
Clean the filter, unblock spray arms, and adjust loading and detergent amounts for better performance.
How much does it cost to fix not washing dishes?
Professional repairs can range from $50 to $300 depending on whether you need to replace the circulation pump or water inlet valve.
When should I call a technician for not washing dishes?
If DIY solutions don't resolve the issue or if the problem seems complex, consider calling a technician for help.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

70%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Clogged spray arms preventing water distribution
  • Faulty circulation motor not pumping water
  • Blocked filter or drain hose causing poor water flow

User Suggested Solutions

  1. Inspect and clean the spray arms. Remove the spray arms and check for clogs. Clean them thoroughly with warm soapy water and a soft brush. Reattach them securely.

  2. Check the circulation motor. If the motor has been replaced but still doesn’t work, ensure all electrical connections are secure. Test the motor with a multimeter to confirm it’s receiving power.

  3. Clean the filter and drain hose. Remove the filter and rinse it under running water. Inspect the drain hose for kinks or blockages and clear any obstructions.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Ran my Maytag mdb4949shz1 without water (1 cycle). What to c...

Community Discussions

Ran without water, now only loads and heats water, drains at end, no spraying

Replaced the burned-out circulation motor

DIY View on Reddit →

Source: Reddit r/appliancerepair

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