I put two new Hitec HS-82MG servos in a new plane (Futaba 2.4 GH radio). Both of them buzz, even when they aren't attached to anything. They buzz whenever I move the sticks, and sometimes at neutral, too, though if I flick the stick at neutral, the buzzing stops. Any suggestions?
I posted this under Hitec support, but got no reply, so I thought I'd try here.