All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T2500 Error Code 8:04 Problem Description Communication lost between front panel and formatter Corrective Action Options Turn off/on. Update the Firmware, Check fron panel connections, replace the front panel, replace the formatter PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us