Dm800hd losing signal ???

[Pianoo]

Dear sir my Dm800 hd original keeps loosing signal ,sometimes its good sometimes its not. I am using 110 dish motorised I have changed image many times nothing helps...:mecry:

 

[Ferret]

LNB or tuner fault are possibilities as are diseqc switches should you have any in your system.

Weak power supplies can sometime give this also.