Find the position of cables and open the machine.At the back of the machine, find the DEX cable.Follow the cable to locate the terminal connected to the panel and note its number. Log in to the backend system.Navigate to the “Basic Setting” menu, click the “Serial Part Setting” button, and locate the “DEX serial part” option.Click the option to select the correct terminal number of DEX cable from the drop-down list. Click “Yes” to save the setting.
