stan2004 posted:The f40 behaviour is with a known-good CHARGED battery? In other words you can swap in the battery from the now working f3 and the sounds immediately cut out when pressing direction?
Checked both batteries before installing & they were the same. I'm going to pull it apart & check again. Everything stops when I press direction, Lights & sounds. I just pulled it apart & it's 2.6v, just 1 tenth below the 2.7 rating.