Accuweather 361 not working - get 771 error but other channels all work

Your dish needs to be reaimed. 

You can have a service visit scheduled for $99 or free with the Protection Plan. 

Otherwise, there are YT videos showing how to reaim the dish.

See here:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwje8sCS4vz-AhUAFFkFHbJ_AkIQwqsBegQIGBAB&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DQA1krU8eo8E&usg=AOvVaw1uohMI8f39YX1eDr7sKg6J 

Here is info on  code 771:  Get Help With Error Code 771 | DIRECTV Customer Service & Support