Site Control: Fix blank page when controller can't be reached
Site Control: Fix blank page when controller can't be reached

OpenSprinkler/OpenSprinkler-App,PeteBa/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App,PeteBa/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App,PeteBa/OpenSprinkler-App