https://helpforum.sky.com/t5/Broadband/Openreach-ONT-has-a-red-LOS-light/m-p/5332726#M582799 <P><SPAN>My Openreach ONT has a red LOS light immediately after power-on, the PON light never comes on, and my Sky Max Hub is pulsing green. I have tried to restart it by turning it off for 30 seconds and turning it back on again but it still not working.</SPAN></P> Fri, 31 Jul 2026 20:12:57 GMT Zaidah 2026-07-31T20:12:57Z https://helpforum.sky.com/t5/Broadband/Openreach-ONT-has-a-red-LOS-light/m-p/5332726#M582799 <P><SPAN>My Openreach ONT has a red LOS light immediately after power-on, the PON light never comes on, and my Sky Max Hub is pulsing green. I have tried to restart it by turning it off for 30 seconds and turning it back on again but it still not working.</SPAN></P> Fri, 31 Jul 2026 20:12:57 GMT https://helpforum.sky.com/t5/Broadband/Openreach-ONT-has-a-red-LOS-light/m-p/5332726#M582799 Zaidah 2026-07-31T20:12:57Z https://helpforum.sky.com/t5/Broadband/Openreach-ONT-has-a-red-LOS-light/m-p/5332753#M582803 <P><a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/4743868">@Zaidah</a>&nbsp;</P> <P>Try running this line test to see if it finds any faults:<BR /><A href="https://www.sky.com/help/articles/broadband-diagnostic-start" target="_blank">https://www.sky.com/help/articles/broadband-diagnostic-start</A></P> <P><BR />You can also run the test via the MySky app on a mobile data connection.</P> <P><BR />After this has finished and if it reports back all is good click on broadband to run an updated test. If you get amber or red please follow the on screen instructions.</P> Fri, 31 Jul 2026 20:41:24 GMT https://helpforum.sky.com/t5/Broadband/Openreach-ONT-has-a-red-LOS-light/m-p/5332753#M582803 caesarome 2026-07-31T20:41:24Z