How do I troubleshoot the MotionSense faucet?
Verify your faucet by identifying the control box under your sink
Should you ever encounter an issue with your MotionSense electronics, the LED indicator on the control box will blink to alert you. The label on the control box demonstrates the three patterns in which the light will stay on or flash:
See the MotionSense installation guide and troubleshooting guide. Installation and troubleshooting guides