Robots were functioning fine (a couple of years ago) in normal orientation, and I did jog them around after mounting on the wall - no errors. We've checked the mains voltage - it's 472VAC, robots are wired for 480. The problem hasn't appeared during testing, only when we went to programming and robot was held by servos for extended periods of time we started to get SRVO 46 OVC alarm on angles of J1 between parallel to the ground and about 30 degrees. We have a wall mounted Fanuc Arcmate 100iB, RJ2 controller. I thought I'd clarify a bit the aspects of this problem. I've considered restricting motion on the J1 axis by defining a motion group that excludes it because it is the author of the OVC alarm in the hopes the brakes would be applied to the j1 axis and prevent this motor from drawing more current but even this is proving very challenging as i do not have the software installation manual I am literally out of ideas on what to do next! Hi everyone, We work together with latendal on this project. I've checked the phase to phase voltage at the servo amplifier and its well over 170VAC, also checked the brake connector and it seems to be fine. I am trying to setup a program on my controller for production, however when i put the robot in certain positions(orientations) i get an OVC alarm. Check our database of FANUC robot error codes for the alarm. Blown fuses and malfunctioning OVC and HC alarms. (OVC): A overcurrent alarm is being generated inside of digital servo. (5) Servo alarms Number Message Contents 400 SERVO ALARM: n–TH AXIS OVER-LOAD.

What is ovc alarm in fanuc robot parts