510
Positive Soft Stroke Limit Exceeded
Fanuc · αi series AC Servo Motor
What does 510 mean?
The machine has exceeded its positive soft stroke limit, which is a software-defined limit. This indicates incorrect parameter settings for soft limits (No.142) or an invalid move command, potentially causing an unexpected stop.
Common Causes
- Appropriate values have not been specified for parameter No.142
- An invalid move command has been specified
Repair Steps
- 1
Check whether appropriate values have been specified for parameter No.142
- 2
Check whether a valid move command is specified
- 3
Move the tool in the opposite direction in jog mode, then perform a reset
Verified technical data. Last updated: March 2026
Source: Fanuc αi series AC Servo Motor