We have an Okuma & Howa with a Fanuc 18i-T control. The guy working it hit the e-stop when a tool went west. He replaced the tool reset and ran the machine then......bang !! The machine had lost its position after the e-stop had been hit. This is fixed by powering the machine down and re-referencing. But the problem re-occurs every time the e-stop is hit.
Is this a parameter enablement or a servo fault ???