Bosch Dishwasher: error code e25; dirty water accumulation

Professional Repair Guide

What is this symptom?

If your Bosch dishwasher displays error code E25, it indicates a drainage issue, often resulting in dirty water accumulation in the tub. This problem typically arises from a clogged drain filter, blocked drain hose, or debris in the drain pump. Resolving these issues can restore proper function, ensuring your dishwasher operates efficiently and effectively.

Urgency: Medium

Important Tips for Bosch Models

  • Official guidance identifies blocked pump or loose pump cover as E25 causes

Possible Causes

Clogged drain filter

How to Identify: Standing water remains; filter has visible debris and food particles blocking flow

Part: Dishwasher filter assembly at bottom of tub

Blocked or kinked drain hose

How to Identify: Water not exiting, hose shows visible kinks, bends, or debris blockage when disconnected and flushed

Part: Drain hose from dishwasher to sink drain/garbage disposal

Debris in drain pump or impeller

How to Identify: Impeller not spinning freely due to food, glass, or debris; error persists after filter clean

Part: Drain pump/impeller unit

Loose or misaligned drain pump cover

How to Identify: Cover not seated properly after cleaning; correcting alignment sometimes clears E25

Part: Drain pump cover/lid

Faulty drain pump motor

How to Identify: Pump does not run, hums, or shows electrical failure even after clearing blockages

Part: Drain pump motor and assembly

DIY Solutions

Clean dishwasher filter

Easy 10-20 minutes
Tools Needed: gloves, warm water
  1. Open dishwasher and remove bottom rack
  2. Locate and remove filter assembly
  3. Rinse filter under warm water, remove all food debris
  4. Reinstall filter securely and run a short drain cycle
⚠️ Safety First: Be cautious handling sharp debris in filter

Inspect and clear drain hose

Moderate 20-40 minutes
Tools Needed: bucket, pliers, warm water
  1. Turn off power and water supply to dishwasher
  2. Disconnect drain hose at dishwasher and sink/drain connection
  3. Inspect hose for kinks and flush with warm water to clear debris
  4. Reattach hose ensuring no kinks and secure clamps
⚠️ Safety First: Place bucket to catch residual water

Clear debris from drain pump

Advanced 30-60 minutes
Tools Needed: screwdriver, towel
  1. Disconnect power to dishwasher
  2. Remove lower spray arm and filter to access drain pump cover
  3. Remove pump cover and clear debris around impeller
  4. Ensure impeller spins freely then reassemble
⚠️ Safety First: Risk of cuts from debris; ensure power off before access

Professional Repairs

Drain pump replacement

Estimated Cost: $80 - $200

Drain hose replacement

Estimated Cost: $30 - $80

When to Call a Professional

Dishwasher still shows E25 after filter, hose, and pump checks
Drain pump motor doesn’t operate or makes unusual noises
Signs of leaks or electrical issues during troubleshooting

Preventive Maintenance

  • Clean dishwasher filter: Filter-related clogs and E25 error
    Frequency: monthly
  • Inspect drain hose: Hose blockages or kinks causing drainage issues
    Frequency: quarterly

Frequently Asked Questions

Why is my Bosch Dishwasher Error code E25; dirty water accumulation?
Common causes include a clogged drain filter, blocked drain hose, and debris in the drain pump.
How do I fix Bosch Dishwasher Error code E25; dirty water accumulation myself?
You can clean the filter, inspect the drain hose for kinks, and clear debris from the drain pump.
How much does it cost to fix Error code E25; dirty water accumulation?
Professional repairs for drain pump replacement range from $80 to $200, while drain hose replacement costs between $30 and $80.
When should I call a technician for Error code E25; dirty water accumulation?
If DIY solutions do not resolve the issue or if the problem seems complex, consider contacting a technician.

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: Either

Common Issues Reported by Users

  • Clogged filter or drain hose
  • Faulty drain pump
  • Improperly installed or damaged impeller cover

User Suggested Solutions

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

  2. Inspect and test the drain pump. If the pump is not functioning, it may need to be replaced. This involves removing the dishwasher's lower spray arm and the cover to access the pump.

  3. Ensure the impeller cover is properly installed. Remove the cover and check for any damage or misalignment. Reinstall it securely to ensure it snaps into place.

Analysis based on 1 community discussions
View Sources

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

  1. Bosch dishwasher e25 error; what more can I do?

Community Discussions

e25 error; dirty water at the bottom of the dishwasher

The issue was a plastic impeller cover not snapping into place.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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