Hi I have 4 recievers connected to a 16swm and everything worked fine for a while. I upgraded to the 16 swm myself. 1 reciever is getting a error code 14 and the other reciever is getting stuck at performing reciever self check. If I hit the power button it goes to checking settings from satellite and freezes again. It goes through to the end after a few hours. This is a refurb that I just recieved 4 days ago from directv. Directv management said a tech has to come and check the wiring because 2 recievers failed at the same time. I know its not a wiring issue but what shoud i expect when the tech shows? Prob just new boxes.