All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model Z6200 Error Code 50:03 Problem Description OMAS fatal error or disconnected Corrective Action Options Turn off/on. Check Power Supply to OMAS Controller cable, Replace the OMAS Controller Card Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us