TV reception is prone to being scrambled by current weather conditions. If there is wild weather outside, this is likely the cause and should return to normal when the conditions change.
Here are some things you can check:
- If there is an antenna booster, please make sure it is plugged in.
- Check that the TV is set to the correct input source such as HDMI or AV.
If you are still having reception issues, please get in touch with your host so they can help where possible.