It is not a big concern that it did not work the first time. An extended break-in period could be required.
If one subscribes to a ‘dense deuterium’ theory of any kind – then an operational reactor could require a minimum working inventory of dense deuterium before gain is seen. Perhaps they should let it run at low power for several days continuously, so that a working inventory can be established. From: Axil Axil Its not working...did they do something wrong https://www.youtube.com/watch?v=OKRt3fa4lfU They are doing a professional job but nothing anomalous is showing up so far.

