All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T2300 Error Code 64.1:YZ Problem Description Esternal HD accessory not connected Corrective Action Options Turn off/on. Power on again wile pressing MENU,OK and Cancel simultaneously, when system promts press OK twice, test with other USB, repalce formatter board Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us