I have 3 Premieres with tuning adapters with Time Warner Cable in KCMO. One is working just fine, it is in our basement. The other 2 are upstairs and they are not displaying any channels, not even local channels. Trying to tune to any channel gives the little TiVo bubble message "searching for signal on cable channel". I tried rebooting one of the TiVos & tuning adapters because they usually fixes any tuning issue. Now, that tuning adapter is blinking green constantly, and still no channels. I got a call from an alleged "cable card specialist" from TWC and he had me check a couple of the CableCARD menus. On the DAVIC screen, the status is Not Locked on both of those TiVos but on the functioning unit, the status is Locked. He said this is a cable signal problem so he scheduled a truck roll.....however next appt is Wed. So I'll be going a week without being able to watch any tv channels or record any of my shows.(we rarely use our basement, it's my husband's workshop) I just wanted to check here if there is any way to resolve this myself? Or am I dependent on TWC to fix this?