All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T610 Error Code 02.1:YZ Problem Description Encoder seems to be wrong. Corrective Action Options Turn off/on. Check Trailing cable, replace if needed, if continues repalce Carriage PCA, Repalce the Main PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us