Connect your laptop to the PAS400, PAS600, PAS800.
Check the firmware version of the PAS400, PAS600, PAS800. Via EPC or Webpages.
Check the most recent manual of the PAS400, PAS600, PAS800, for the latest firmware version number. From our Schneider Electric website. https://www.se.com/
If the firmware needs to be updated download it from our Schneider Electric website onto your laptop.
And then install the latest firmware on the PAS400, PAS600, PAS800.