i have an fta system  and  i finally got to see some channels  so i bought DiSEqC H-H Motor SG-2100    hoping it will make easy for me to navigate  satellites  from my living-room  first i hooked the motor to my receiver  in the living room  and the motor is working  but when i hook the lnb  to it it give me a message short lnb  even tho the lnb and the cords are fine  is there a way to fix this  or i should  send the motor back to the seller   and any tips and no's no's 
to avoid when instaling a motor
				
			to avoid when instaling a motor