| Possible reason: | The following are possible symptoms of camera connection abnormalities: 1)System delay 2)Camera Error 3)USB Port abnormal in IPC 4)J1-J3 Cable abnormal 5)J3-J4 Cable abnormal 6)J4~IO module  Cable abnormal 7)Robot Cable abnormal 8)IPC internal USB connection abnormal | Common error code 0x00020000 0x00020007 |