Bosch Dishwasher E15 Error Code - Water Protection / Leak In Base Pan

What Caused This Error?

The control system reports E15 when the monitored condition described by the error code is outside the expected operating range. In this case, the most likely trigger is excessive suds from non-he detergent. Other common contributors include leaking door gasket and loose sump tub screws.

Step-by-Step Diagnostic Check

1. Unplug unit, tilt dishwasher forward at 45-degree angle to drain trapped water from lower pan.
2. Tighten sump tub mounting screws located inside floor of dishwasher.
3. Inspect lower door seal and side gaskets for tears or misalignment.
4. Locate and repair source of water drip before restarting cycle.