Solution
After the
NI NFC & wireless charging robot and cage package has been unpacked and installed and elements have been connected as represented in the scheme below.

1) Make sure that the emergency stop button of the Denso Mini-pendant is released;
2) Make sure that the emergency stop button of the cage is released;
3) Set the Mode Selector Key to "MANUAL" position on Denso Mini-Pendant;

4) Set the NI robot head controller to "Manual Mode";

5) Power on RC8 controller;
6) Wait for initialisation of the RC8 controller is finished
7) When done, press “Shift” then “MOTOR-LOCK”, then “Shift” on the Denso Mini-Pendant
8) Press “OK” to remove the error message
At this stage you can continue the configuration of the controller as described in the installation user guide.