The ES100 / Pyramid access a COM port on the PC directly. If the communication is disrupted, the first step is to disconnect the encoding station from the power supply and reconnect it.
Then restart the software which you use to encode the cards.
IMPORTANT! Two different applications cannot access the encoding station at the same time. Therefore, only ever start one software for encoding the cards.
If the encoding still does not work, press Windows + R and enter “devmgmt.msc” in the window.