SP0227
Receive Error (CNC-Spindle, 15i)
Fanuc · AC Spindle Motor Alpha i-Beta i Series Parameters
What does SP0227 mean?
A receive error occurred in communication between the CNC and the serial spindle amplifier for Series 15i. This indicates an issue with the data reception at the CNC or potentially corrupted incoming data.
Common Causes
- The spindle amplifier failed to correctly receive data from the CNC.
- Corrupted data packets on the serial line.
- Intermittent connection issues on the serial communication path.
- A buffer overflow in the spindle amplifier's receive buffer.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Examine the status register of the spindle amplifier for receive error flags.
- 2
Check the serial cable for loose connections or physical damage.
- 3
Monitor the signal levels on the RXD line for any intermittent drops.
- 4
Ensure the spindle amplifier firmware is up-to-date.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc AC Spindle Motor Alpha i-Beta i Series Parameters