Requires a (dongle) to export projects or communicate with a live panel. Database
| Issue | Likely Cause | Solution | |-------|--------------|----------| | “No security key found” | USB dongle not detected | Reinstall driver, try different USB port | | Download fails | Firmware mismatch | Upgrade/downgrade SDU or panel firmware | | Simulation errors | Missing hardware definitions | Re-import panel configuration via upload | | Custom logic won’t compile | Syntax error or undefined point | Check CL editor for red highlights | | Can’t upload | Passcode unknown or panel in alarm | Use installer passcode or reset panel | est3 sdu software
The software runs on a Windows PC and allows an authorized technician (Level 2 or higher) to: Requires a (dongle) to export projects or communicate