LED and button

Button

• Off: open the lid. Press and hold the button for 1 second. The LEDs start to blink. The sensor is on.
• On: press 7 seconds to turn off. The sensor first tries to send data. It does not power down at once.

LED, turn on

1. Both LEDs flash together. Selftest is running.
2. Test OK: green on for 1 second.
3. Waiting for communication: green flash, then red 0.5 s later.
4. Communication OK: green flash.

LED, turn off

One green flash, then two red. When blinking stops, the sensor is off.