said by coaxguy:
That, or since its hard wired for Cogeco, I have a feeling there may be a non HPNA splitter behind a wall plate or at a demarc. Especially if your coax is run in a series (splitter behing EACH wall plate).
Insist that they look behind ever wall plate and check every splitter.
No, don't insist that they do that.
Don't waste a technicians time by having him do all sorts of things that you think may be the problem, because the tech may already have seen this before and may know exactly what's causing it.
SUGGEST it as a possible source of the problem, but don't waste his time ensuring he opens every wall plate cause some guy on the internet told you to. Everything on the internet is true right?