go to your dish remote push menu (top left) push 6 system setup push 1 installation push 1 point dish select 129 satellite, transponder 17 and wait for signal to lock if your signal is below 42, you may need to call for a tech visit to repoint the dish.
Couple of things you can do to try to fix it unplug receiver from power outlet for about 30 seconds and plug it back in let receiver cycle and try channels also if you are using HDMI cable you might want to switch to component error 890 is a HDCP error most likely caused by a software glitch if after rebooting system you still expirienced same problems change your conection to component that should fix it until dish fix glitch on software
start with a full system reset as stated above, if this doesn't fix the problem, call 1800333DISH and see if it is something they can fix over the phone or send a tech out to ensure what part of your system might be the problem
Hi, I would be happy to help with this issue you're experiencing. To comply with movie industry standards, DISH network, as well as all TV providers, must enforce content protection standards when required. This 890 message indicates that your TV or connection is NOT HDCP capable. It is likely your TV was manufactured before industry standards required HDCP. In order to resolve this issue you would need to change your HDMI cable out with component cables (red, green and blue). I hope this helps and if you have any further questions or concerns feel free to email me directly at Cheri.Torres@Dish.com. Thanks.
Cheri Torres Social Media Representative DISH L.L.C. Cheri.Torres@Dish.com