Reboot the modem/router. Wait till it is back online and verify your internet connection. Then reboot your receiver by unplugging it wait 10 seconds and plug it back in.
Make sure the LINK light is light up. If not a cabling issue. If within 2-5 minutes it does not give you picture try this below:
Soft reset procedure:
If this still fails give Telus a call so they can better diagnose the issue. Tech support is not closed weekends and open 24/7