Hi, new. Got dish tailgater, wally receiver. Put dish on roof, connected ouside. Inside coax to wally box, hdi? Box to tv. Test installation:failed, reception error. Got to:test signal strength, tuner 1, sat 119, transponder 1. Signal strength 0. Satellite 119 . Not locked, return to installation test. Fail? Any ideas? TV works thru antenna basic tv. Now can't get basic digital so satellite must be connected? Lost. Thank you.