encoder not consistent

We are at KC regional and having a problem with our Digi key am encoders. About every 3rd or 4th time we run auto, we go approximately 1 revolution too far. We are running same code aa we ran last week without any pro lems. we gave checked for loose connections, and the encoder is firmly attached. Anytging else we should be looking for.

If you’re using the E4T optical encoders, you could check them to see if the code disc is slipping. I’ve had this happen over time, especially if they’re only a loose fit onto the shaft. You can dab some loctite on to keep them from moving around at all.

Thanks. A dab of superglue on end of shaft fixed it.