hi this on behalf of my dad as he has the above and has the this issue
He has swichted on his pc and the router is onlt showing the power and wifi light as blue but the bb light is continnig flashing why is this
It may be a fault however he should first of all try resetting the homehub by pressing the reset button on the rear.
See link for what the lights mean
It it not business its residential and the have tried reset to and still the same
he advised called and Eng will roubnd mon but am worried as if fault in house charge down to him and he OAP on one pension only
The status checker can be used for both residential and business, it tells you if there are problems with the BT network.
Get him to make sure that all the cables are securely plugged in in case one has come adrift.