camaro_dan67
Cast Iron
- Joined
- Dec 4, 2009
- Location
- N.E. Pa.
I have a Fanuc 3m model c on my mill and if anyone on here has been following my posts I've been having some problems with it. I just installed a different motherboard on it. I got everything connected and started it up this afternoon to the point where the control was on but the estop was in. I entered all my original parameters then shut the machine off to restart it. When I went to restart it the control would only come on if I held the ready button down. I rigged some boards to hold the ready button in so I could check voltages. Coming out of the power supply it has 5 volt 24 volt and + and - 15 just like it should. There are several relays on the door and some contactors in the cabinet. I thought I remembered when I turned the power on then pushed the ready button I would hear one click and the power supply fan would come on along with the screen lighting up then I would release the e-stop and push it again and hear a larger clunk like a contactor engaging. I think the second clunk was turning on the servos. I do have a so so wiring diagram from the machine builder but its vague. Is anyone familiar with the startup sequence of the older Fanuc controls? Thanks Dan.