Bad Esc or Tiger u5?

shyfx003

Member
Hi guys, went over all my wiring today and decided to hook everything up to the dji assistant and get the motors turning the right way,but have a problem with motor number 3..

When I click on the motor test option in the A2 assistant all the other motors spin nice and quiet as you would expect..

Motor 3 however has what appears to be an harmonic whine that's resonating down the entire left rear arm,why I tried to turn it by hand it shows some kind of magnetic resistance..when I disconnect the power the motor seems to turn smoothly like all the rest..

i have checked back over the pdb and nothing looks out of place,no breaks in the wires that I can see..

Frame is a Vulcan uav x8

Rc Tiger U5's


Jeti Hicopter 40a esc's


Any ideas?
 
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