All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T830 Error Code 0059-0289 Problem Description NVM backup is missing or does not work correctly Corrective Action Options Ensure NVM backup cable is properly connected, replace the NVM backup Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us