Gigablue quad plus tune failed help

hi every one ive got a gigablue quad plus twin tuner running on vm getting tune failed on aminal planet hd . so thought it might of been feed so tryed down stairs and that channel works and tryed it in sons room and works . so thought are must be down to feed but sons amiko alien 2 works fine on that channel in my room so cant be down to feed . when the gigablue is connected in my room ive went to signal finder 0.0 dB SNR 0 AGC 0 BER 0 LOCK is unticked only seems to be this channel has me baffled any help with this thanks