Asko Dishwasher: not draining properly
What is this symptom?
Is your Asko dishwasher not draining properly? If water remains in the bottom after cycles, or if you notice bad odors, you're not alone. This common issue can stem from clogged filters, blocked drain hoses, or faulty drain pumps, leading to frustrating wash cycles and hygiene concerns.
Important Tips for Asko Models
- Asko dishwashers use strainer filters and sump designs specific to model lines; ensure removal and reinstallation per manual to avoid misalignment
Possible Causes
Clogged filter or strainer assembly
How to Identify: Water pooling in tub; visible food debris in filter area; may have smelly water at bottom
Part: Dishwasher filter/strainer
Blocked or kinked drain hose
How to Identify: Water remains after cycle; hose may be bent or obstructed behind unit; slow or no flow when flushing hose manually
Part: Drain hose
Faulty or obstructed drain pump
How to Identify: No humming or unusual grinding noises when pump attempts to drain; debris seen inside pump area on inspection; water stays after clearing filter and hose
Part: Drain pump and impeller
Air gap or high loop obstruction
How to Identify: Standing water even after cleaning filter and hose; block at sink air gap if installed
Part: Air gap / drain configuration
DIY Solutions
Clean the dishwasher filter/strainer
- Turn off dishwasher power
- Remove bottom rack and locate filter assembly at tub base
- Twist and lift filter out; rinse under warm water
- Use brush to remove debris; reassemble filter and rack
- Run a short cycle to check drainage
Inspect and clear the drain hose
- Turn off power and water to dishwasher
- Locate drain hose behind or under cabinet
- Loosen clamp and disconnect hose (have bucket ready)
- Flush hose with water and use brush to remove clogs
- Straighten any kinks and reattach hose securely
- Restore power and test drain
Check and clear air gap/high loop
- Locate air gap cap on sink or ensure drain hose high loop under counter
- Remove air gap cover and clean internal chamber
- Clear any debris and reassemble parts
- Ensure hose forms a proper high loop and test dishwasher
Next step
Choose the next step for not draining properly
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
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.
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.
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
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.
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.
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.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Professional Repairs
Replace faulty drain pump
Check internal drain valve or electrical faults
When to Call a Professional
Preventive Maintenance
-
Clean filter regularly: Filter blockages and drainage issues
Frequency: Monthly -
Inspect drain hose position: Kinks or obstructions that hinder drainage
Frequency: Every 3-6 months
Frequently Asked Questions
Why is my Asko Dishwasher not draining properly?
How do I fix Asko Dishwasher not draining properly myself?
How much does it cost to fix not draining properly?
When should I call a technician for not draining properly?
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
- Clogged drain filter or sump area
- Faulty drain pump
- Blocked drain hose
User Suggested Solutions
-
Check and clean the drain filter and sump area. Remove the bottom dish rack, unscrew the filter cover, and clean any debris. Reassemble and test the dishwasher.
-
Inspect the drain pump for blockages or failure. Access the pump by removing the lower spray arm and the cover. Clear any debris or replace the pump if necessary.
-
Check the drain hose for kinks or blockages. Ensure the hose is properly connected and not obstructed. Replace if damaged.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
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