You will not be able to download Rcon unless the DC controller has started up normally (as, otherwise, the power supply control signal will not be valid and, as a
result, the reader unit remains without power).
18.4.8.2 Downloading Procedure
iR5065 / iR 5055 / iR5075 / / /
You can execute a downloading session in either normal or safe mode. In the case of safe mode, however, you will not be able to find out the version of Dcon/Rcon,
causing all downloading to occur (overwriting of the same version and downgrading).