https://helpforum.sky.com/t5/Broadband/On-internet/m-p/5089739#M518774 <P>We have lost internet connection and we have a red alarm light on fibre wall box.</P> Thu, 18 Sep 2025 10:49:55 GMT Dave1032 2025-09-18T10:49:55Z https://helpforum.sky.com/t5/Broadband/On-internet/m-p/5089739#M518774 <P>We have lost internet connection and we have a red alarm light on fibre wall box.</P> Thu, 18 Sep 2025 10:49:55 GMT https://helpforum.sky.com/t5/Broadband/On-internet/m-p/5089739#M518774 Dave1032 2025-09-18T10:49:55Z https://helpforum.sky.com/t5/Broadband/On-internet/m-p/5089742#M518775 <P><a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/4413173">@Dave1032</a>&nbsp;That is a sure sign that the Fibre to the exchange has an issue! As there are a few varients off ONT boxes used, if the Alarm light is down at the bottom RHS on the box it could also just be a BBU unit and needs the batteries replaced, which is the customers resonsability to do so!</P> Thu, 18 Sep 2025 10:56:16 GMT https://helpforum.sky.com/t5/Broadband/On-internet/m-p/5089742#M518775 JimM1 2025-09-18T10:56:16Z