• Check the coaxial cable between the TVA control box and your satellite receiver.
  • Check the connection cables between your satellite receiver and your TV.
  • Switch the receiver and TV sequentially off and on.
  • Consult the manual for your satellite tuner / TV.
  • Check if you have the latest firmware in your system (see also: how can I see which version of firmware is in the system? In the tips and user questionnaire).