HV777A+ Dital Ultra Torque Hh Voltage Servo

mks777MKS Servo with Full Aluminum Case and Titanium Gears. The MKS HV Hh Voltage Servo series is desned to operate at hh voltage and low current, delivering hher torque per unit weht.The fix so far is to remove the MKS servos and install another brand. I have tried changing voltages on the receivers with no luck also. Hher gauge wire