Originally Posted by stormforce
The servo's should make a sudden short flutter or jitter on power up, as they may have moved when you powered down or the arms may have dropped during storage, so when you power up, they settle back to the position the tx has them set to by the user programming. However, if a servo make's a constant noise or the arms constantly move like they are vibrating (jitter) it is from an over excited step motor within the servo, which usually means the servo motor is on it's way out.
Thanks Storm. They keep moving, so I'm guessing they are going south. Time for more parts. Now that I have a handle on the 911 ( love that thing), 9116, and the mjx45, what is next?