||Open the battery compartment and remove a battery.
||Now press and hold the button beneath the display.
||While pressing the button, insert the battery again and hold the button for a further 10 seconds. The LED will light up continuously during this period (if the LED does not light up, the batteries are dead and must be replaced).
||After around 10 seconds, the LED will flash five times. Release the button.
||The device has now been reset and can be integrated again via the SmartHome software using the search mode.
||If the device symbol remains greyed out after the device has been integrated, press the button again to complete the process.