The display on the radiator valve actuator is in sleep mode during normal operation to save energy and increase battery life.

  1. Simultaneously press both touch elements and hold for 2...4 seconds [1].
  • The display turns on and displays W.
  1. Press one of the touch elements [2], until AI (= "Actuator info") is displayed.
  1. Enable the function by pressing the touch element and holding for ca. 2...4 seconds [3].
  1. Press the touch element to toggle between information [4].
  • Battery status: b, 3 bars
  • WLAN signal strength: Wireless symbol flashes, 3 bars.
  • Firmware version: Press the touch element and hold for 2...4 seconds to view the firmware version [4F].
    The display changes in 0.5 / 2 second intervals between the version numbers:
    — F1 = Major version
    — F2 = Minor version
    — F3 = Build version
    Example:
    "F1" (0.5 s) :: "1" (2 s) :: "F2" (0.5 s) :: "7" (2 s) :: "F3" (0.5 s) :: "20" (2 s) = FW version 01.07.20
  • The display switches off after 10 seconds without pressing a touch element and the radiator valve actuator goes into sleep mode.