[tiler]

i have a loft box from global commuications it was fitted just over 3 years ago in a new house.
on sunday night we lost our terrestial signal i have tried a new power supply with no luck i am assuming the loft box is finished so i would need a replacement.
do the loft boxes only last for 3 years.
the one we have sends a sky signal round the house and when the terrestial signal went of we were able to watch everything thru sky which comes thru the loft box.
although this was only working downstairs.
if the box is broke why would this still work.
nothing is dissconnected any where else.
any advise before i buy a new one.

thanks gary