WE HAVE IN FANUC OT ALARM 520 OVERTRAVEL +Z WHEN TURN ON . IT REALISES THE USUAL PROCEDURE FOR THIS ALARM BUT I COULD NOT CLEAR IT. LATER IT MODIFIES THE PARAMETER OF SOBRELIMITS BUT CONTINUOUS THE ALARM. IT SEEM THAT THE PROBLEM IS A CARD, BUT I DON`T KNOW WICH. MOTHER BOARD? MEMORY BOARD?
THANKS