Dear Friends
we have a fanuc robot in our plant. ( R30 iA Model )
yeasterday fanuc robot stopped in between without any alarm.
Action :
1) We check the robot teach pendent no alarm.
2)then manually operate the robot no move no error.
3)Controller inside checked Emergency board relay sparking condition and contractor chattering.
4)Emergency PCB replaced after contactor not ON
5) Checked incoming voltage 235 V ok.
6)So contactor board replace but not ok.
7)Then mother board replaced not ok.
8)Mean while spare controller taken from training Centre for replacing.
Panel PCB to Motherboard cable replaced.
I/O card Replaced not ok.
9)Servo drive replaced. And found ok.
if u have any experience reg this type of break down
so kindly share the experience.
what is a real root cause for the is?
pl share to us.. this help ful to me...