Explore how to troubleshoot ZTR Series Sensor Flush Valves with step-by-step guidance to diagnose and correct common issues such as irregular flushing, weak activation or sensor misalignment. Applicable products include ZTR6200, ZTR6200EV, ZTR6203 and ZTR6201. Learn what to verify before replacing parts, along with preventative maintenance tips that help restore proper operation and extend product life. Be sure to consult the instruction manual for full specifications and follow all applicable plumbing codes and regulations. 0:00 Intro 0:30 Valve Does Not Flush 3:55 Flush Valve Does Not Shut Off 8:20 Valve Is Short Flushing 9:50 Cannot Adjust Sensor Range 10:01 Ghost Flushing