SRVO-221
Missing DSP Axis Card
Fanuc · R-30iB Mate + Mate Plus Robot
What does SRVO-221 mean?
A controlled axis card (DSP) corresponding to the configured number of axes is not physically mounted or detected. This indicates a hardware configuration mismatch or a faulty axis control card.
Repair Steps
- 1
Check whether the set number of axes is valid; if invalid, set the correct number.
- 2
Replace the axis control card with a card that corresponds to the set number of axes.
Verified technical data. Last updated: March 2026
Source: Fanuc R-30iB Mate + Mate Plus Robot