Hi, i'm new here. I recently purchased a TS832 5.8GHz 40Channel transmitter. I powered it up using a 12v dc supply and the dc supply indicates that something in the circuit is shorted (LED dims when I tap the terminals on the supply). I checked the connectivity of the + and - of the TS832 but it is not shorted. Kindly help me with this matter. Thanks!

Gab