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error Bosch
Error Code E15
Water leak detected — the anti-flood device (Aqua Stop) has been triggered.
✓ How to Fix It
Turn off the dishwasher and disconnect power. Tilt the machine slightly to drain water from the base tray. Check for visible leaks at hose connections. Let the base dry before restarting.
Source: page 34 of the official manual
From the manual
This error code appears in:
Bosch SHP65TL5UC 800 Series Stainless Steel Dishwasher