Setup: 3 DVRS (HR22,23,24). Have Whole-Home DVR service. I received a third DVR yesterday (HR24) to replace an HD Receiver. So, now I have three DVRs all using Whole-Home DVR Service. On the HR24, I get signals to both tuners and it works just fine. But, now my other two DVRs only get a signal on Tuner 2. I've tried resetting them and now they're stuck because they don't see a signal on Tuner 1, although, the new HR24 gets a signal on Tuner 1 just fine. The HR22 and 23 both have DECAs on them and everything was working fine until I added the HR24. None of the cabling to the HR22 and 23 was changed. The only difference is that the HR24 was added. Any ideas what could be causing this problem? I have a service call, but they can't get here for a couple of days and if it's a simple fix I'd rather just fix it myself.