have you tried a different filter? have you tried using the test socket which is behind the faceplace especially if you have other extension sockets in other rooms
if you have extension sockets elsewhere in your home and they are in use they must also use a filter or you will get disconnected when phone rings or you make a call
If you like a post, or want to say thanks for a helpful answer, please click on the Ratings 'Thumbs up' on left hand side.
If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.
