topic Red light on LOS. Tests say all fine? Help please in Broadband https://helpforum.sky.com/t5/Broadband/Red-light-on-LOS-Tests-say-all-fine-Help-please/m-p/4686885#M404764 Red light LOS. Online test says all fine?? Sun, 07 Jul 2024 20:36:43 GMT Neeks1989 2024-07-07T20:36:43Z Red light on LOS. Tests say all fine? Help please https://helpforum.sky.com/t5/Broadband/Red-light-on-LOS-Tests-say-all-fine-Help-please/m-p/4686885#M404764 Red light LOS. Online test says all fine?? Sun, 07 Jul 2024 20:36:43 GMT https://helpforum.sky.com/t5/Broadband/Red-light-on-LOS-Tests-say-all-fine-Help-please/m-p/4686885#M404764 Neeks1989 2024-07-07T20:36:43Z Re: Red light on LOS. Tests say all fine? Help please https://helpforum.sky.com/t5/Broadband/Red-light-on-LOS-Tests-say-all-fine-Help-please/m-p/4686907#M404765 <P><a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/1898383">@Neeks1989</a>&nbsp;</P> <P>&nbsp;</P> <P>LOS is Loss Of Signal, meaning the ONT isn't seeing any light coming down the optical cable.&nbsp; If gently removing and reseating the green optical jack plug and unpowering/repowering the ONT doesn't change anything then you'll need to log a fault with Sky tomorrow morning.</P> Sun, 07 Jul 2024 21:01:24 GMT https://helpforum.sky.com/t5/Broadband/Red-light-on-LOS-Tests-say-all-fine-Help-please/m-p/4686907#M404765 TimmyBGood 2024-07-07T21:01:24Z