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Wireless Controls - The receiver of my smart lighting system does not respond to the Niko dimmer switch.

  1. Verify that the switching module is correctly mounted into the bridge. The arrow icon found on one of the rear labels should face upward.

  2. Double-check that the central plate has been mounted on the dimmer switch. When only the energy bow is being pushed, then this action is not recognized as a push button event. At least one contact must be activated in order to transmit a radio telegram.

  3. Verify the positioning of the Niko dimmer switch:
    1. The Niko dimmer switch is for indoor use only and dry environments. Avoid damp rooms or moist surfaces since water will attenuate radio waves.
    2. See if you have direct line of sight between the Niko dimmer switch and the receiver. If this is not possible, and there are one or more walls between the devices, ensure that the RF signals penetrate the wall(s) as straight as possible.
    3. Look out for so-called “dead spots”, large objects or metallic materials, even inside walls. They attenuate radio waves.
    4. Do not place the dimmer switch close to the ground or on the same wall as the wireless receiver.
    5. Investigate if there are radio jammers in the neighborhood, even when you have direct line of sight. Move away from interference sources such as WiFi routers, DECT telephones, magnets, ferromagnetic materials, electronic ballasts, etc.

  4. Verify that the receiver and the Niko dimmer switch are within the maximum radio coverage. If not ok, try relocating the dimmer switch, or configure a mesh network with your smart receivers or install a RF repeater. How to test?
    1. For EnOcean® based systems you measure the radio field strength (RSSI) with testers Vicos Probare 10 or Vicos Probare 30.
    2. For Bluetooth® based systems you can verify the radio field strength values with one of the smartphone apps from nRF.
    3. For KNX® based systems you should be able to run the diagnostics tool from the ETS software.
    4. When the receiver sometimes works and sometimes not, then most likely the devices are positioned at the edges of the maximum radio coverage.

  5. Ensure that the pairing between the Niko dimmer switch and your smart receiver is done properly. You could perform a factory reset and redo the onboarding process.

  6. If none of the previous steps were the root cause, then investigate if the Niko dimmer switch or the wireless receiver is faulty. Use a reference device during your test and place it next to the suspected device. A reference device is a dimmer switch or a wireless receiver that are functional.