The next release of Ekos/INDI will support the new firmware versions (3.1+) of the Lacerta MFOC (new driver name: lacerta_mfoc_fmc). See: github.com/indilib/indi/tree/master/drivers/focuser Please retest with an updated MFOC-controller and the new indi-driver for MFOC/FMC. Best regards, Chris.Read More...