Is that Luppit exchange. Ive searched a few resources and it looks like originally it was suspected to be a linecard issue.
More recent info shows a suspected fault with the dslam and partial loss of some broadband services. Some services were restored on 1st Feb.
Latest is they are still investigating and eta for full repair is unknown.
Bit more infoLUPPITT MUX 001 : PARTIAL LOSS OF SERVICE
The root cause of this failure is a possible migration issue. The migration team will be engaged in the morning to investigate further, with the assistance of Technical Support. Next update will be issued upon service restoration unless there should be a significant development.
The circuits have been rebuild however as a precaution monitoring will take place over the weekend to ensure all the customers are working fully and there no issues at peak traffic times.
Some of the service has been restored however technical services are investigating and trying to find the root cause of the problem and will look to restore all service tomorrow morning. Next update will be issued upon service restoration unless there should be a significant development.
Technical services are still investigating restoring service an update will be provided once service has fully restored. No estimated time of repair at present. Next update will be issued upon service restoration unless there should be a significant development.
Technical services continue to investigate this failure. Root cause and estimated time of repair are unknown at present.https://status.zen.co.uk/broadband/fault-outage-details.aspx?reference=4874