All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T730 Error Code 0001-0082 Problem Description Real Time Clock (RTC) Battery ran down. Corrective Action Options go to the Support Menu by pressing the Power key continuously for 15 seconds, Go to the Diagnostics Menu check RTC battery status, replace the RTC battery by replacing the Main PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us