Bosch Dryer: not draining properly

Professional Repair Guide

What is this symptom?

Is your Bosch dryer not draining properly? If you notice condensation water remaining in the container or error codes like DR, it may indicate issues with the condensation system. Common causes include a full condensation container, blocked drain hose, or a clogged internal filter. Address these problems promptly to ensure your dryer operates efficiently.

Urgency: Medium

Important Tips for Bosch Models

  • Many Bosch condenser dryers use a removable water tank or drain hose system; user manual guidance on container removal and filter cleaning is specific per model.

Possible Causes

Full or improperly emptied condensation container

How to Identify: Water reservoir is visibly full or overfilled and not emptied between cycles

Part: Condensation container

Blocked or kinked drain hose

How to Identify: Hose has visible blockage or is bent/kinked; water does not flow out when hose is detached

Part: Drain hose

Clogged or blocked internal filter in condensation system

How to Identify: Reduced drainage with debris visible when cleaning filters; dryer may display DR or similar codes

Part: Condenser filter / condensation system filter

Faulty drain pump

How to Identify: No water movement despite clear hoses and container; pump motor makes unusual noises or no sound

Part: Drain pump

Electronic control logic failure

How to Identify: Dryer does not initiate draining sequence even with clear hoses/container; error codes persist

Part: Control board

DIY Solutions

Empty condensation container and check filter

Easy 5–10 minutes
  1. Stop the dryer and unplug it
  2. Remove and empty the condensation container
  3. Clean any accessible filter/screens related to condensation collection
  4. Reinsert container securely and test dryer with a short cycle
⚠️ Safety First: Ensure the dryer is unplugged before accessing internal parts

Inspect and clear drain hose

Moderate 15–30 minutes
Tools Needed: Screwdriver, bucket/towel
  1. Unplug dryer and pull it away from wall
  2. Locate and detach drain hose from dryer and drain outlet
  3. Inspect hose for kinks or blockages and clear debris with water or flexible brush
  4. Reconnect hose ensuring proper routing and test dryer drainage
⚠️ Safety First: Handle water spills safely to avoid electrical hazards

Professional Repairs

Replace faulty drain pump

Estimated Cost: $80 - $200

Control board diagnostics and replacement

Estimated Cost: $200 - $500

When to Call a Professional

Drainage issues persist after clearing hoses and filters
Unusual noises from pump area
Error codes related to drainage (e.g., DR) remain after basic troubleshooting

Preventive Maintenance

  • Empty condensation container: Drainage and overflow issues
    Frequency: After every cycle or when full
  • Clean lint and condensation filters: Blockages that can impede drainage
    Frequency: Monthly

Frequently Asked Questions

Why is my Bosch Dryer not draining properly?
Common causes include a full condensation container, blocked drain hose, or a clogged internal filter.
How do I fix Bosch Dryer not draining properly myself?
To fix it, empty the condensation container and clean any filters. Inspect and clear the drain hose for blockages.
How much does it cost to fix not draining properly?
Professional repair costs range from $80 to $500, depending on whether you need a drain pump replacement or control board diagnostics.
When should I call a technician for not draining properly?
If DIY solutions don’t resolve the issue or if you suspect a faulty pump or control board, it’s best to call a technician.

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 drain hose or filter
  • Faulty pump or pump motor
  • Improper installation or level of the dryer

User Suggested Solutions

  1. Check and clean the drain hose and filter. Remove any debris and ensure that the hose is not kinked or blocked. Reattach and test the dryer.

  2. Inspect the pump for any signs of damage or blockage. If the pump is faulty, replace it with a new one. Refer to the user manual for specific instructions on accessing the pump.

  3. Ensure that the dryer is level. Adjust the feet of the dryer if necessary to ensure even placement. Test the dryer after adjustment.

Analysis based on 1 community discussions
View Sources

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

  1. Bosch Series 6 Dryer Drainage

Community Discussions

water collects in the tank during each cycle

The water is held in the tank until it's time to dump and flush the condenser.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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