Yes, the "E15" error code is a widely documented and relatively common issue affecting Bosch, Siemens, and Neef dishwashers. Because these high-end European appliances feature a sensitive watertight base pan equipped with a styrofoam safety float switch, any minor moisture accumulation—ranging from high condensation runoff during heavy drying cycles to a loose hose clamp or a small gasket drip—will immediately trigger the E15 flood protection lock. You can troubleshoot base pan moisture safely by disconnecting power. You can verify that your corrective action is successful when tilting the machine to drain the trapped water out of the bottom tray and securing all hose connections permanently resolves the E15 error.
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