Now that I've been over this area a few times I find it's the HDMI/HDCP or more succinct, Intel's HDMI chips that are not playing along. You'll have to swap out the receiver if firmware updates don't correct it.

I also am guessing you tried it with the normal 6 foot HDMI cables to rule out the cable issues. Again, this is not the fault of the projector or the receiver but the HDMI chips from Intel. Some of them are just picky and you see this on some units.