None Dishwasher: drainage issue

Professional Repair Guide

What is this symptom?

Experiencing drainage issues with your dishwasher? If water remains at the bottom after a wash cycle or drains slowly, it could be due to common problems like a clogged filter, blocked drain hose, or a malfunctioning drain pump. Understanding these causes can help you troubleshoot effectively.

Urgency: Medium

Possible Causes

Clogged filter or debris screen

How to Identify: Standing water, food particles visible in filter area; water drains after cleaning filter

Part: Filter / debris screen

Blocked or kinked drain hose

How to Identify: Poor or no drainage accompanied by visible kinks, twists, or blocked hose under sink; water may back up slowly

Part: Drain hose

Clogged or malfunctioning drain pump

How to Identify: No sound of pump running, water not expelled even with clear filter/hose

Part: Drain pump

Garbage disposal/air gap blockage

How to Identify: Dishwasher drains into sink slowly or not at all, especially if disposal is full or air gap blocked

Part: Air gap / disposal connection

Internal component failure or electrical issue

How to Identify: Error codes specific to model, intermittent operation, lack of normal drain cycle

Part: Control board / water level sensor

DIY Solutions

Clean Dishwasher Filter and Debris Screen

Easy 10-20 minutes
Tools Needed: gloves, soft brush, warm water
  1. Turn off power and open dishwasher
  2. Remove filter assembly at bottom of dishwasher
  3. Rinse filter under warm water and scrub debris with brush
  4. Reinstall filter and run a short drain cycle
⚠️ Safety First: Disconnect power before cleaning

Check and Straighten Drain Hose

Moderate 20-40 minutes
Tools Needed: screwdriver, bucket, towels
  1. Pull dishwasher out from under counter
  2. Locate drain hose under sink to dishwasher connection
  3. Inspect hose for kinks or blockages and straighten curves
  4. Detach and flush hose with water if blocked, reconnect securely
⚠️ Safety First: Place bucket to catch water when disconnecting hose

Clear Air Gap or Garbage Disposal Connection

Moderate 15-30 minutes
Tools Needed: screw or hex driver, small brush
  1. Remove cap of air gap (if present) above sink
  2. Clear debris from inside air gap and hose to disposal
  3. Run disposal to ensure no clog downstream
  4. Test dishwasher drain
⚠️ Safety First: Ensure disposal is off before working

Next step

Choose the next step for drainage issue

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

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

Typical part-only price
$15 - $30
DIY difficulty
Easy
Estimated time
15-30 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

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

$35 - $80 · Easy · 15-30 mins

Check fit & price
Possible related component

Pressure Switch

Detects the water level inside the tub and signals when to start or stop filling.

$25 - $65 · Easy · 15-30 mins

Check fit & price
Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 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 Drain Pump

Estimated Cost: $80 - $200 for part

Inspect/Repair Electronic Controls

Estimated Cost: $150 - $400

When to Call a Professional

After checking filters and hoses with no improvement
If drain pump appears damaged or not operating
If electrical error codes persist or control issues suspected

Preventive Maintenance

  • Clean filter regularly: Filter clogs leading to drainage issues
    Frequency: weekly to monthly depending on use
  • Check drain hose for kinks during deep clean: Hose blockages or restricted flow
    Frequency: annually

Frequently Asked Questions

Why is my Any Dishwasher Drainage issue?
Common causes include a clogged filter, blocked drain hose, or a malfunctioning drain pump.
How do I fix Any Dishwasher Drainage issue myself?
You can clean the filter, check for kinks in the drain hose, or clear the air gap.
How much does it cost to fix Drainage issue?
Professional repairs range from $80 to $200 for a drain pump and $150 to $400 for electronic control repairs.
When should I call a technician for Drainage issue?
If DIY fixes don't work or if you suspect internal component failure, it's time to call a technician.

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

  • Drain pump failure (2 mentions)
  • Pressure sensor malfunction (2 mentions)
  • Over sudsing (2 mentions)

User Suggested Solutions

  1. Replace drain pump and pressure sensor

  2. Switch to powder detergent or plastic-free pods and run cleaner cycles

  3. Repair motor and consider replacement of dishwasher

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. AEG/Electrolux Dishwasher i20 Error, Drainage, Pressure Sens...
  2. Bosch dishwasher getting both E25 and E24 error codes. No ob...
  3. Kitchenaid DIshwasher F9 E1 error due to oversudsing?
  4. My Fisher Paykel Drawer Dishwasher Repair $ story
  5. Kitchenaid Diswasher F9 E1 error due to over sudsing?
  6. Dishwasher Drainage Error

Community Discussions

stopping mid-cycle with an i20 error

Changed drain pump and pressure sensor; reset control board RAM to calibrate the sensor.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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