Here are the logs I've got: [2021-07-06T17:43:30.085 CEST INFO ][ org.kde.kstars.ekos] - Websocket Message "{\"type\":\"device_property_set\",\"payload\":{\"device\":\"SynScan\",\"property\":\"CONNECTION\",\"elements\":[{\"name\":\"CONNECT\",\"state\":1},{\"name\":\"DISCONNECT\",\"state\":0}]}}" [2021-07-06T17:43:30.147 CEST INFO ][ org.kde.kstars.indi] - SynScan : "[INFO] Connecting to 192.168.1.109@11882 ... " [2021-07-06T17:43:30.149 CEST DEBG ][ org.kde.kstars.indi] - SynScan : "[DEBUG] Connection successful, attempting handshake... " [2021-07-06T17:43:30.149 CEST DEBG ][ org.kde.kstars.indi] - SynScan : "[DEBUG] CMD <Kx> " [2021-07-06T17:43:30.153 CEST INFO ][ org.kde.kstars.indi] - SynScan : "[ERROR] Serial read error: Read Error: Connection refused. " [2021-07-06T17:43:30.154 CEST DEBG ][ org.kde.kstars.indi] - SynScan : "[DEBUG] Handshake failed. " [2021-07-06T17:43:30.154 CEST DEBG ][ org.kde.kstars.ekos] - "SynScan" is disconnected. [2021-07-06T17:43:30.155 CEST INFO ][ org.kde.kstars.ekos] - "SynScan failed to connect.\nPlease ensure the device is connected and powered on." Read More...