SRVO-081
Line Tracking Encoder Overflow
Fanuc · R-30iB Mate + Mate Plus Robot
What does SRVO-081 mean?
The pulse counter for the line tracking encoder has overflowed. This typically occurs if the conditions for line tracking operation exceed the system's limitations or if the encoder is reporting an abnormally high number of pulses.
Repair Steps
- 1
Check whether the condition of the line tracking operation exceeds the system's limitations.
- 2
Replace the Pulsecoder.
- 3
Replace the line tracking board.
Verified technical data. Last updated: March 2026
Source: Fanuc R-30iB Mate + Mate Plus Robot