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Connecting... [ERROR] Could not connect to COM3 at baudrate 115200: Serial error: could not open por

lardylardy
in Questions & Answers
Connecting...
[ERROR] Could not connect to COM3 at baudrate 115200:
Serial error: could not open port 'COM3': WindowsError(5, 'Access is denied.')
Anet A8

Comments

  • RepetierRepetier
    Looks like an other software is already connected to COM3. Do you have Repetier-Server running which autoconnects to configured printer? In that case use Repetier-Server connector to communicate with printer.
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