Servo Troubleshooting notes
Servo Troubleshooting
Ostendorff
Forcing a servo to rotate when off can damage it.
Malfunction:Servo makes a grinding noise or acts erratic
Probable Cause | Corrective Action | Source |
Examine gears for broken teeth | Replace gears | General |
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Malfunction:Servo Jitters
Probable Cause | Corrective Action | Source |
Dirty potentiometer | Use zero residue contact cleaner | General |
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Malfunction:Hunting
Probable Cause | Corrective Action | Source |
Underpowered servos don’t move exactly to position, but go back and forth near it | Use servo with more torque | Grusin |
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Malfunction:Servo is locked in place
Probable Cause | Corrective Action | Source |
Gears not aligned | Check alignment | General |
Top case worn | Inspect top case for wear.Replace if needed | General |
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Malfunction:Servo hums under load
Probable Cause | Corrective Action | Source |
Servo trying to hold position | Use servo with higher torque | General |
Servo has forgotten words | Find lyrics | |
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Malfunction:Servo gets hot
Probable Cause | Corrective Action | Source |
Overheating | Check wiring | General |
Gears binding | Check alignment | General |
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Malfunction:Servo is clicking
Probable Cause | Corrective Action | Source |
Gears are binding | Check servo for wear Replace gears | Grusin |
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Malfunction:Erratic operation
Probable Cause | Corrective Action | Source |
Trying to make servo switch too quickly | Slow operation Use faster servo | Grusin |
Low battery | Replace battery | |
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"General Servo Information." Hitec, n.d. Web. 4 May 2017. < https://www.robotshop.com/media/files/pdf/servomanual.pdf >.
Grusin, Mike. "SparkFun Hobby Servo Tutorial." Learn at SparkFun Electronics. N.p., n.d. Web. 04 May 2017. < https://learn.sparkfun.com/tutorials/hobby-servo-tutorial >.
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