Same problem. Stellarmate 1.7.5 Firmware updated This is the log: 2023-02-06T12:37:56: [ERROR] Required {"req":{"cmd":{"MOT1":["CAL_FOCUSER","GoOutToFindMaxPos"]}}} failed: {"res":{"cmd":{"MOT1":{"?":"Error: invalid command"}}}} 2023-02-06T12:37:44: [INFO] Start Calibration 2023-02-06T12:37:20: [INFO] Device configuration applied. 2023-02-06T12:37:20: [INFO] Motor currents applied: Acc: 7 Run: 7 Dec: 7 Hold: 3 2023-02-06T12:37:20: [INFO] Motor rates applied: Acc: 1 Run: 2 Dec: 1 2023-02-06T12:37:20: [INFO] Loading device configuration... 2023-02-06T12:37:18: [INFO] Parameters updated, focuser ready for use. 2023-02-06T12:37:18: [INFO] Sesto Senso 2 is online. 2023-02-06T12:37:18: [INFO] Sesto Senso 2 is online. Getting focus parameters... 2023-02-06T12:37:18: [INFO] Firmware version: 03.03.07 2023-02-06T12:37:18: [INFO] Serial number: SESTOSENSO22030Read More...