HDMI connection status error

Today my HDMI out on my RS250 has stopped working. If I tap the TV button it comes back with the error “HDMI function is not ready for use. Please check the HDMI connection status”.
I’ve checked the cable to the TV and its OK. The TV is switched to the correct source. Nothing has changed since last time is used it. I’ve now swapped the HDMI lead and the input on the TV. Neither has worked. When I set the HDMI to the lowest resolution it doesn’t help and the status returns to ‘Off’
Thanks in advance

@Neil

  1. Does it work normally when the HDMI cable is connected to a PC or network player other than RS250?
  2. If you have another HDMI cable, try connecting the RS250 to the TV.
  3. If the method above does not work, try RS250–>Settings–>System settings–>Factory reset and connect the cable again.

Thank you