just saw this on Dish TechPortal site (verification of the earlier posts):
Symptom
Unable to download PPV and/or DOD events. Unable to order PPV and/or DOD events because the events may need to download. Error 007, 008, 018 or 080 when ordering PPV and/or DOD events.
Cause
The receiver must download PPV and/or DOD events. The download is unsuccessful due to a phone line interruption, improper phone system setup in the receiver or an unsupported phone line technology or no Ethernet connection on supported receivers. Adult PPV is not available to DishFAMILY subscribers.