All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T1100 Error Code 05.1:YZ Problem Description CPU Fan is stopped or burnt. Corrective Action Options Turn off/on. Replace Power supply, replace Main PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us