Bosch Dishwasher Error E15
⚡ Quick Answer: The Bosch dishwasher error E15 indicates that water has been detected in the base of the appliance, triggering the internal anti-flood protection syst... ✅ DIY Fixable
What Does Error E15 Mean?
The Bosch dishwasher error E15 indicates that water has been detected in the base of the appliance, triggering the internal anti-flood protection system. This safety feature halts operation to prevent flooding, often accompanied by a persistent beeping sound and the E15 code displayed. Common causes include internal leaks, clogged drainage, or a faulty leak detection switch.
Common Symptoms:
- Dishwasher stops mid‑cycle with E15 displayed
- Leak protection pump may run to drain base
- No normal wash operations until cleared
Possible Causes
- Water in base due to internal leak (high)
- Clogged drainage or filter causing backflow into base (medium)
- Faulty leak detection float/switch stuck or faulty (medium)
How to Fix Error E15
DIY Fix Clear water from base and reset safety switch
- Turn off dishwasher power at breaker or unplug.
- Turn off water supply to dishwasher.
- Carefully pull dishwasher out and tilt back to allow water in base to drain.
- Mop or soak up remaining water in base tray.
- Restore power and run a short rinse cycle to test if error clears.
DIY Fix Check and correct detergent usage
- Ensure dishwasher detergent is designed for dishwashers, not hand soap.
- Use manufacturer‑recommended amount of detergent.
- Run an empty hot water rinse to clear any excess suds.
Technician Only Inspect and repair internal leaks, hoses, seals
- Disconnect power and water.
- Remove lower access panel and inspect sump, hoses, door seal, and water connections for leaks.
- Replace any cracked hoses, worn seals, or damaged sump components.
- Test by filling with water and checking for drips into base.
Parts needed: door seal gasket, sump basin, inlet/drain hoses, clamps/fittings
Technician Only Check and service leak detection float/switch
- Disconnect power.
- Remove access panels to reach leak sensor and float mechanism in base.
- Clean or free any obstruction on float so it moves freely.
- Test switch continuity; replace if faulty.
- Reassemble and test dishwasher operation.
Parts needed: leak detection float/switch
- If error returns repeatedly after draining water and resets
- If visible water leak persists after checking seals/hoses
- If internal component (sump or switch) replacement is needed but uncertain
Next step
Choose the next step for E15
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
Door Gasket
Creates a watertight seal around the door to prevent leaks during operation.
- Typical part-only price
- $45 - $110
- DIY difficulty
- Medium
- Estimated time
- 30-60 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.
Float Switch
Detects the maximum water level to prevent overflow and potential flooding.
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 | 1440W |
|---|---|
| component | Float Switch |
| resistance | 10-20 ohms |
| part_number | 00422162 |
| voltage_rating | 120V AC |
Common Questions
What does E15 error mean on Bosch dishwasher?
E15 means water is detected in the base, triggering a safety shutoff to prevent flooding.
Can I fix Bosch dishwasher E15 error myself?
Yes, you can clear water from the base and reset the safety switch as initial steps.
How much does it cost to fix E15 error?
Repair costs range from $50 to $300 depending on the necessary parts.
When should I call a technician for E15?
Call a technician if the error returns after resets or if visible leaks persist.
Sources & References
- Bosch Dishwasher E15 Error Explanation (official)
- Bosch UK Support E15 Error (official)
Data last verified: 2026-07-25
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