I have an older XRC UP50 that has been sitting in a warehouse for a few years and recently I repurposed said robot and installed it on a production line. For the most part, the robot operates well and gets the task done. However, I do have a question about a couple mysterious collisions I've had recently. Once over this past weekend the robot moved the head right into a stationary leg, which of course isn't in the job. I look through the alarm history and I have a few different faults, 4208 (System Error (Arith)) - 4401 (Sequence Task Control Error) - 4411 (Teach Error (Spline)). The robot ran for almost a week without a hitch, roughly 30,000 cycles, then all of a sudden does this. I know it's a long shot, but is it possible that the compiler in the robot could "get confused" and cause the robot to move into an untaught location?
XRC UP50 - Question About Random Movements
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SCBurn -
September 15, 2015 at 5:29 PM -
Thread is marked as Resolved.
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Sounds to me like the alarms are from before it was put on a shelf. Have a look at the current time and the time date stamp of the alarms you are looking at.
No the compiler can not get confused.
Check the home position to see if if the robot is really set to the home position.