| Problem | Solution | |---------|----------| | | Use USB-to-RS232 adapter with FTDI chip (e.g., Brainboxes, Digi). Avoid Prolific PL2303 on Win10/11. | | Software crashes on start | Run in Windows XP VM. SIMOCOM U does not handle high DPI or modern security features. | | “Drive not found” | Verify drive address dip switches. Try baud rate 9600, 8 data bits, 1 stop bit, even parity. | | Missing DLL errors | Reinstall using admin rights. Copy missing DLL from another legacy Siemens tool (e.g., DriveES). |
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