Bosch Dishwasher Error E23
⚡ Quick Answer: The Bosch dishwasher error E23 indicates a malfunction in the drain pump, often resulting in water remaining in the bottom of the unit after a wash cy... ✅ DIY Fixable
What Does Error E23 Mean?
The Bosch dishwasher error E23 indicates a malfunction in the drain pump, often resulting in water remaining in the bottom of the unit after a wash cycle. This issue typically arises from a blockage or fault in the drain pump, preventing proper drainage and causing unusual noises during operation. Addressing this problem promptly is essential to prevent further damage to the appliance.
Common Symptoms:
- Dishwasher displays E23 during or after a wash cycle
- Water remains in the bottom of the dishwasher after the cycle
- Drain cycle does not complete
Possible Causes
- Blocked or clogged drain pump or drain system (high)
How to Fix Error E23
DIY Fix Basic user troubleshooting for E23 error
- Turn off the dishwasher and disconnect power (unplug or breaker).
- Inspect and clean the drain filter located at the bottom of the dishwasher.
- Check for visible blockages in the drain area, hose access, and filter.
- Ensure drain hose is not kinked or obstructed.
- Restore power and run a short drain cycle to see if error clears.
Technician Only Technician-level diagnosis and repair
- Disconnect dishwasher from power and water supply.
- Remove lower front panel to access drain pump.
- Inspect and clear debris from the pump and hose; test pump operation.
- If pump is faulty, replace with correct Bosch drain pump part.
- Verify proper hose routing and connection to sink/garbage disposal.
- Test dishwasher for correct drainage after repair.
Parts needed: Drain pump assembly, Drain hose (if damaged), Filter components
- If error persists after basic cleaning and drain checks
- If drain pump failure is suspected and replacement is required
- If installation issues cannot be safely corrected
Next step
Choose the next step for E23
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
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- 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.
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.
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.
Technical Specifications
| wattage | 30W |
|---|---|
| component | Drain Pump |
| resistance | 10-30 ohms |
| part_number | 00422693 |
| voltage_rating | 120V AC |
Common Questions
What does E23 error mean on Bosch dishwasher?
E23 indicates a malfunction in the drain pump, often causing water to remain in the dishwasher after a cycle.
Can I fix Bosch dishwasher E23 error myself?
Yes, you can troubleshoot by cleaning the drain filter and checking for blockages in the drain area.
How much does it cost to fix E23 error?
The estimated repair cost for the E23 error ranges from $100 to $300, depending on parts and labor.
When should I call a technician for E23?
Call a technician if the error persists after basic troubleshooting or if a drain pump replacement is needed.
Sources & References
Data last verified: 2026-07-25
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