The WebCTRL Fault Detection and Diagnostics (FDD) library can pinpoint over 100 proven faults in typical HVAC equipment, including VAV systems, air handlers, fan coils, unit ventilators, water-source heat pumps, and air-source heat pumps.
FDD Reporting & Dashboards
![](https://www.imsgroupllc.com/wp-content/uploads/2022/08/FDDR-D.jpg)