| Error Code | Description | Solution | | :--- | :--- | :--- | | | Installation package problem | Re-download the ZIP; disable antivirus; run as admin. | | “No target found” | Device not recognized | Cycle power on S40; check USB cable; reinstall drivers in Device Manager. | | “CODESYS Gateway not running” | Background service failed | Open Services.msc, locate “CODESYS Gateway V2”, set to Automatic and Start. | | COM port conflict | Port in use by another app | Close any terminal emulators (Putty, HyperTerminal). Change COM port in Device Manager > Advanced. | | Windows cannot verify digital signature | Driver signing enforcement | On Windows 10/11: Restart with “Disable Driver Signature Enforcement” (Shift+Restart > Troubleshoot > Advanced Startup). |
Note: On modern 64-bit systems, you may need to use a Virtual Machine (e.g., Windows XP or 7) or compatibility modes to ensure proper driver and software functionality. Installation Steps Download the archive for your required version (e.g., S40_v5.02.zip Extract the files and run as an administrator. sucosoft s40 programming software install download