Sorry to hijack an old thread but I’m having a similar issue. Bought an RS2 last month and gave it the initial firmware update and a full charge, then put it away for a few days before taking it out to test it against the equipment I usually hire. It had gone down to 2 dots. I wondered if I’d left it on so thought nothing of it.
A couple of days ago I was preparing to take it out again so did a full charge, then got to site today and it was down on 2 dots again. Am I seeing this same phantom reading problem?