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Knowledge document #3667

FRITZ!DECT radiator control does not respond when button is pushed

The FRITZ!DECT radiator control does not respond when a button is pushed and cannot be adjusted with FRITZ!App Smart Home. The symbol of a suitcase or a snow crystal (snow flake) is displayed on the radiator control.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 The symbol of a suitcase or a snow crystal is displayed on the radiator control

If the symbol of a suitcase or a snow crystal is displayed on the radiator control, either vacation switching is configured in the FRITZ!Box user interface for the time in question, or the radiator is not on. During these time periods, the buttons on the radiator control are automatically locked and only the menu button responds when pushed.

Important:In the default settings of the FRITZ!DECT radiator control, "Heat off" is automatically enabled from 1 June to 31 August.

To unlock the buttons, edit the times for vacation switching or "Heat off" in the FRITZ!Box user interface:

  1. Click "Smart Home" in the FRITZ!Box user interface.
  2. Click "Device Management" (if you want to delete vacation switching or "Heat off" for an individual device) or "Groups and Templates" (if you want to delete vacation switching or"Heating ended" or "Heat off" for a group) or click "Devices and Groups" in the "Smart Home" menu.
  3. Click the (Edit) button for the respective device or group.
  4. If the respective device or group is not displayed, i.e. the radiator control is not connected or is no longer connected to the FRITZ!Box, you must load the factory settings of the radiator control to unlock the buttons:
    1. Remove the batteries from the radiator control.
    2. Push any button on the radiator control for at least 3 seconds.
    3. Insert the batteries. The factory settings of the radiator control are loaded, the buttons are unlocked, and you can uses the radiator control again.
  5. If the respective device or group is displayed:
    Deactivating vacation switching or "Heating ended"
    1. If vacation switching was configured for the time period in question, click the or (delete) button.
    2. If "Heating ended" or "Heat off" is configured for the time period in question, click the or (delete) button.
    3. Click "Apply" or "OK" to save the settings.

To save energy and minimize DECT radiation, radiator controls only communicate with the FRITZ!Box at certain intervals. Therefore, it is possible that the changed settings may not be transmitted to the radiator control until after about three minutes. It takes up to 60 minutes during vacation switching and the phase when the radiator is turned off for them to be transmitted. To transmit the settings immediately, just push any button on the radiator control.



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