Amana Dishwasher: not cleaning

Professional Repair Guide

What is this symptom?

Is your Amana Dishwasher leaving dishes dirty with food residue or film after a wash cycle? This common issue can stem from clogged spray arms, dirty filters, improper loading, or detergent problems. Understanding these causes will help you restore your dishwasher's cleaning performance effectively.

Urgency: Medium

Important Tips for Amana Models

  • Amana specifically notes cleaning food soils in hard‑to‑reach places and using white vinegar or affresh® Dishwasher Cleaner to improve cleaning.
  • Mineral deposits from hard water can build up on internal components like spray arms affecting cleaning performance; water softener recommended if hardness >15 grains.

Possible Causes

Clogged spray arms

How to Identify: Food debris, mineral buildup or residue blocking spray arm holes; arms may not spin freely.

Part: Spray arms

Dirty or clogged filter

How to Identify: Visible food particles trapped in filter; water draining slowly or soil redepositing on dishes.

Part: Filter assembly

Incorrect detergent usage

How to Identify: Using low-quality detergent or incorrect amount leads to residue or poor soil removal.

Part: Detergent dispenser / detergent selection

Insufficient water temperature or water supply

How to Identify: Dishwasher doesn’t fill completely or water not hot enough, resulting in poor cleaning.

Part: Water inlet valve / water heater

Improper loading and overloading

How to Identify: Items blocking spray arms or too closely packed dishes; top rack dishes dirty while bottom are cleaner.

Part: User loading practice

Hard water mineral buildup

How to Identify: White film on dishes, mineral scale in spray arms; performance declines over time in hard water areas.

Part: Internal water pathways / spray arm ports

DIY Solutions

Clean spray arms

Moderate 15-30 minutes
Tools Needed: screwdriver (if needed), toothpick or small brush, hot water and vinegar
  1. Remove lower and upper spray arms according to model manual.
  2. Clear any debris from spray arm holes using a toothpick or brush.
  3. Soak spray arms in hot vinegar-water solution to dissolve mineral deposits.
  4. Reinstall spray arms and run a rinse cycle to test cleaning improvement.
⚠️ Safety First: Disconnect power before component removal.

Clean dishwasher filter

Easy 10-15 minutes
Tools Needed: warm water, soft brush
  1. Locate filter at bottom of dishwasher tub.
  2. Remove filter and rinse under warm water.
  3. Use a soft brush to remove trapped food particles.
  4. Reinstall filter securely and run a short wash cycle.

Adjust detergent type and amount

Easy 5 minutes
  1. Check user manual for recommended detergent types.
  2. Use high-quality automatic dishwasher detergent.
  3. Adjust amount of detergent based on water hardness and load soil level.

Re‑arrange dishwasher load

Easy 5-10 minutes
  1. Ensure dishes do not block spray arms from rotating.
  2. Avoid overcrowding; leave space between items.
  3. Place larger items on sides or bottom so spray reaches all surfaces.

Run a vinegar cleaning cycle

Easy 1 cycle (~1-2 hours)
Tools Needed: white vinegar
  1. Place a cup of white vinegar in a dishwasher‑safe container on the bottom rack.
  2. Run a normal hot water cycle without dishes.
  3. Check for improved cleaning and reduced mineral buildup.

Next step

Choose the next step for not cleaning

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
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

Water Inlet Valve

Controls the flow of hot and cold water into the appliance.

$25 - $60 · Easy · 15-30 mins

Check fit & price
Possible related component

Spray Arm

Rotates and sprays high-pressure water to clean dishes inside the tub.

$20 - $55 · Easy · 5-10 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

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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 water inlet valve

Estimated Cost: $50 - $150 for part

Service or replace circulation pump

Estimated Cost: $150 - $400

Replace spray arms or wash spinner parts

Estimated Cost: $30 - $120

When to Call a Professional

Dishwasher doesn’t fill with sufficient water after inlet checks
Water spray pressure remains low after cleaning spray arms and filter
Unusual noises (grinding) indicating pump or motor failure

Preventive Maintenance

  • Clean filters and spray arms: Clogs blocking water distribution
    Frequency: monthly
  • Run vinegar cleaning cycle: Mineral buildup reducing cleaning efficiency
    Frequency: monthly
  • Proper loading each use: Spray arm blockage and improves water coverage
    Frequency: every load

Frequently Asked Questions

Why is my Amana Dishwasher not cleaning?
Common causes include clogged spray arms, dirty filters, and improper loading.
How do I fix Amana Dishwasher not cleaning myself?
Clean spray arms and filters, adjust detergent, and rearrange your load.
How much does it cost to fix not cleaning?
Professional repairs range from $50 for parts to $400 for circulation pump replacement.
When should I call a technician for not cleaning?
Call a technician if DIY fixes don't work or if you suspect a serious issue.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Pump or wash motor malfunction (2 mentions)

User Suggested Solutions

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

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

  1. Dish washer runs but doesn’t do the clean cycle.
  2. Dishwasher filling water and draining but not cleaning

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