Customer Questions and Answers for Water Sensor (Dishwasher) by Bosch

This dishwasher water sensor monitors wash-water conditions so the control can adjust cycle time, rinses, and heating for consistent performance. Replace a failed sensor to restore reliable cleaning results and proper automatic cycle adjustments. What it does

• Detects water conditions during the wash cycle and reports to the control
• Helps the dishwasher optimize cycle length, rinses, and energy use
• Common symptoms: unusually long or short cycles, inconsistent cleaning, or sensor-related error messages
• Trigger erratic cycle behavior when the sensor is faulty or contaminated

• One sensor assembly

• Disconnect power and turn off water before servicing
• Access is typically from the underside; place a towel or pan to catch residual water
• Transfer/seat the seal properly if present; fully engage the locking tabs and reconnect the harness
• After installation, run a quick cycle and check for leaks and proper operation