Q. What do I do if my Servo hums under load?

A. This can be normal, the servo is trying to hold position against the force of a load. If it hums when no load is applied, try loosening the servo case screws a quarter turn.

Troubleshooting Your Servo Problems

Q. My servo does not center properly.
Q. How do I check Servo Centering?
Q. How do I fix the grinding noise or erratic behavior of my Servo?
Q. What do I do if my Servo jitters while idling at center or through its travel?
Q. What do I do if my Servo is locked in place?
Q. What do I do if my Servo hums under load?
Q. What do I do if my Servo gets hot?
Q. My servo gears broke, how do I change them?
Q. What is servo grease?