All error codes By model: T1100T1500T1600T1700T2300T2500T2600T610T730T830T930Z5200Z6Z6200Z9 Model T1600 Error Code 0021-0001-0010 Problem Description malfunction in Drop Detector Corrective Action Options Restart the device. Run the 02101 Check Electronics service diagnostic test . Replace the Drop Detector. Replace the Service station PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us