My access control pda doesn't read a bar code or QR Code

If the reader doesn't work properly when trying to read the bar code or QR code in the access control, check this information:

Possible causes:

  • The performance uploaded isn't the correct one.
  • The PDA cursor isn't inside the blank space of the API reader

  • The laser doesn't activate when we press the scan button.


  • Restart the PDA.
  • Upload the correct performance.
  • Reinstall Powertools and the Access Control application that correspond to our PDA model following the article: Installation manual.
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