“_EXT_PICC” error during a parameter download means that the device’s software is outdated. Call Pax and give them the error code. They will then run a remote download onto the device and update it.
“_EXT_PICC” error during a parameter download means that the device’s software is outdated. Call Pax and give them the error code. They will then run a remote download onto the device and update it.