Get the protection plan and you can swindle a $20 service call. Also, just be grateful your landlord allows the dish on the roof, and have written permission to re-install ready for the tech.
There are some original components of the H20-600 that may shorten the life of the IRD. The components are being replaced at the repair facility, and the good retrofitted boxes are denoted by an "ECO 2.0" label on the bottom of the receiver.
All HR2x (All HD-DVR series beginning with HR2): Black screen may appear during playback of
recorded programming or while viewing / recording simultaneously. STB Engineering is working
on this issue now; do not replace IRD. Call Centers are aware of this issue.
When the message comes up, it will have a 1 or a 2 at the end of the message. Is it always the same number? Does the number change when you swap the cables?