Hi pamela1968
Welcome to the Community Forums.
Sorry to hear of your concerns with the red light on your hub 3. Usually, this is just an LED error with nothing more to worry about, but we would like to err on the side of caution and have an engineer investigate this further. Please join me in a private message so I can locate your account and pass the account security. You can see your private messages at the top of the page, in the envelope icon, or if you're using a smaller device, you can see your private messages by clicking on the Virgin Media logo at the top right and selecting 'Messages' from the drop-down.