VERIFIED
E15 is a water-safety code: the dishwasher has detected water in its base and activated leak protection. Find the water source before normal use resumes.
If E15 appears on a Bosch dishwasher, the control has detected a condition tied to leakage protection activated after water was detected in the base. Treat the code as evidence from the appliance rather than as a complete diagnosis.
Meaning of E15
The technical anchor for this record is leakage protection activated after water was detected in the base. Keep that meaning tied to the exact dishwasher platform. The code identifies a condition detected by the control system, while the full model number and the behavior immediately before the warning help determine the actual repair path.
What can change during the cycle
- the cycle may stop abruptly
- the drain pump can continue running
- normal controls may be restricted
- water may be present even when no puddle is visible outside the cabinet
What diagnosis may need to separate
- water reaching the base from an internal or external leak path
- overflow or unwanted water migration into the protected base area
- another water condition that has triggered the leak-protection system
Owner-level checks
- Turn off the dishwasher water supply.
- Photograph the E15 display and note whether any water is visible around the appliance.
- From a safe position, look for external water only. Do not tilt the dishwasher, bypass the protection system, or dismantle the base.
When to stop
If water is close to an outlet, plug, junction point, or other electrical connection, avoid the wet area and leave the dishwasher off.
When external checks are no longer enough
E15 should remain a leak investigation until the source of the water is found. Clearing the display without locating that source can erase useful evidence while the underlying leak remains.
Model note
Use the complete Bosch E-Nr/model number from the rating label. Do not assume that another Bosch dishwasher with the same exterior design uses the same internal components or diagnostic sequence.
FAQ
Do not treat disappearance of the code as proof the leak is gone. The water source should be identified before normal use resumes.
No. Do not use improvised tilt/reset methods or bypass the leak-protection system.
No. E15 identifies water in the protected base area; it does not name the component that allowed the water to get there.
Keep the water supply off if the leak condition is unresolved, save the E15 display, and record any visible water location and the cycle stage when the warning appeared.
San Francisco-area Bosch dishwasher diagnosis
Still seeing E15 on your Bosch dishwasher?
If the warning remains active or comes back after the appropriate safe checks, request Bosch dishwasher diagnosis in the San Francisco Bay Area. Include the full E-Nr, the exact code, what the dishwasher was doing when it appeared, and your service ZIP code.
Model compatibility: Bosch reuses codes across series and model years, so E15 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.