Whirlpool Dishwasher: not functioning and foul odor

Professional Repair Guide

What is this symptom?

If your Whirlpool dishwasher won't start and emits a foul odor, you're likely facing issues like food debris buildup, standing water, or control malfunctions. This persistent smell can indicate mold or mildew growth, which can lead to further complications. To resolve the issue, it's essential to identify the cause and take appropriate action.

Urgency: Medium

Important Tips for Whirlpool Models

  • Whirlpool official guides emphasize that food debris in filter and stagnant water are leading causes of odor and recommend filter cleaning and vinegar rinse steps.
  • Control Lock and Delay Wash features on Whirlpool models can prevent operation if inadvertently enabled.

Possible Causes

Food debris and residue buildup causing odor and potential drainage problems

How to Identify: Persistent sour or rotten smell after cycles; visible food particles or slime in bottom of tub or around gasket; spray arms with blocked holes; dishes still dirty

Part: Filter, drain area, spray arms, tub interior

Standing water due to poor drainage or clogged drain components

How to Identify: Water remaining in bottom of tub after cycle; sewage-like smell; slow draining

Part: Drain hose, drain pump, air gap

Mold or mildew growth inside tub or around door gasket

How to Identify: Musty or mildew-like smell; visible mold spots along door gasket; smell persists even after basic cleaning

Part: Gasket/seal, interior tub surfaces

Dishwasher not starting due to control or mechanical issues

How to Identify: Dishwasher doesn’t power on or start cycle despite power available; no lights/response; error codes or control lock active

Part: Door latch/switch, control board, water inlet valve, thermal fuse

Control lock, delay start, or door not properly latched

How to Identify: Control lock indicator lit; delay wash set; door not clicking fully; dishwasher appears dead but lights may be on

Part: User controls, door latch mechanism

DIY Solutions

Clean filter and interior to eliminate odor

Easy 20–40 minutes
Tools Needed: soft brush, dish soap, white vinegar, baking soda
  1. Remove bottom dish rack, locate and remove dishwasher filter
  2. Rinse filter under warm water, scrub to remove food debris and grease
  3. Wipe interior walls, door gasket, and drain area with a sponge and warm soapy water
  4. Place a bowl of white vinegar on top rack and run empty hot cycle
  5. After vinegar cycle, sprinkle baking soda on bottom and run short hot rinse
⚠️ Safety First: Ensure dishwasher is off before cleaning filter

Check and correct door latch/controls to restore operation

Easy 5–10 minutes
Tools Needed: none
  1. Ensure dishwasher door is fully closed and latched (listen for a solid click)
  2. Check for Control Lock or Delay Start indicator and disable by pressing appropriate buttons (refer to manual)
  3. Try resetting control by turning power off at breaker for ~30 seconds and then restore
⚠️ Safety First: Avoid forcing door closed if obstruction is present

Professional Repairs

Drain pump, hose or garbage disposal connection cleaning/repair

Estimated Cost: $150–$350

Replace malfunctioning control board or door switch

Estimated Cost: $200–$500

Replace worn door gasket to prevent mold accumulation

Estimated Cost: $50–$150

When to Call a Professional

Dishwasher still doesn’t start after checking latch and resetting control
Persistent foul odor after thorough cleaning and drainage issues remain
Visible water pooling indicating internal blockage not resolved with DIY methods
Burning or unusual electrical smells beyond typical food odors

Preventive Maintenance

  • Clean filter and wipe tub interior: Food residue buildup and foul odors
    Frequency: monthly
  • Run vinegar and baking soda cleaning cycle: Odor and minor buildup
    Frequency: monthly
  • Leave door slightly open after cycles: Mold and mildew growth
    Frequency: after each use

Frequently Asked Questions

Why is my Whirlpool Dishwasher not functioning and foul odor?
Common causes include food debris buildup, standing water, mold growth, or control issues. These can prevent operation and create foul smells.
How do I fix Whirlpool Dishwasher not functioning and foul odor myself?
Clean the filter and interior with warm soapy water, ensure the door is latched, and check for control lock settings to restore operation.
How much does it cost to fix not functioning and foul odor?
Professional repairs can range from $150 to $500 depending on the issue, such as drain cleaning or replacing the control board.
When should I call a technician for not functioning and foul odor?
If DIY solutions fail or if the issue involves complex repairs like control board replacement, it's time to contact a professional.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

75%
DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

  • Clogged drain filter or hose
  • Faulty door latch or switch
  • Dirty or malfunctioning wash impeller

User Suggested Solutions

  1. Check and clean the drain filter and hose. Remove the bottom rack, unscrew the filter, and rinse it under warm water. Inspect the hose for clogs and clear them if necessary.

  2. Inspect the door latch and switch for damage. If the latch is broken, replace it. Test the switch with a multimeter to ensure it is functioning properly.

  3. Examine the wash impeller for debris or damage. Clean any buildup and ensure it spins freely. Replace it if it is broken.

Analysis based on 1 community discussions
View Sources

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

  1. Sanitize/deep clean dishwasher that's been sitting

Community Discussions

stopped mid cycle and smells extremely foul

Use chlorine bleach during a long cycle to sanitize and deodorize the dishwasher.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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