After power on, if the channels cannot start, it may be due to the device not being connected or the database mapping table being damaged.
Solution 1: Check the physical connection status of the device. First, check if the host computer has detected the lower computer. Once detected, the lower computer indicator light will be lit. Then, verify if a user has logged in.
Solution 2: Database repair is required. Use the script tool for database repair. Please contact the after-sales department for assistance with database repair.
