SP0133
Data Transfer Error
Fanuc · Alpha i Series AC Servo Motor and Spindle
What does SP0133 mean?
Serial data transmission/reception is not performed normally between the sensor and the spindle amplifier. This indicates a problem with the data integrity or timing.
Common Causes
- Interruption in data flow between communication nodes.
- Network congestion or excessive traffic on the communication bus.
- Timeout errors during data exchange with a peripheral device.
- Failure of a device to acknowledge received data packets.
- Incorrect address or configuration for a communication device.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the feedback cable connections for secure contact and integrity.
- 2
Check for external noise sources that might be interfering with data transmission.
- 3
Examine the sensor and spindle amplifier for any other related alarms or diagnostic indicators.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc Alpha i Series AC Servo Motor and Spindle