it's only mining 1 or 2 iron ores and then it stops. No mirror mode. (Al Kharid 3 iron ores mining spot)
EDIT: nvm it seems to have fixed itself after I mined a full inventory myself and let it drop it all, running like a charm now.
The chest on the upper floor of the second house to the south of the north Ardougne bank. It just needs to click "search for traps" every 15 or so seconds.