6.4.3 Factory reset
Stop the motor first, press [Down & Hold] speed knob +[ON] for 3second. The HMI is reset to the factory settings, the
machine will reboot again.
6.4.4 USB mode for HMI firmware upgrade
Stop the motor first, press [Down & Hold] speed knob +[FUNC] for 3second. The HMI enters the USB mode for firmware
upgrade.
Download HMI USB/DFU update software and firmware from the website: www. teknatool.com, follow the instructions
to upgrade HMI firmware.