SP0027
Position Coder Disconnected
Fanuc · AC Spindle Motor αi-βi Series Parameters
What does SP0027 mean?
The position coder (encoder) feedback cable is disconnected or the sensor is faulty. This results in loss of position feedback, making position control impossible.
Repair Steps
Verified technical data. Last updated: March 2026
Source: Fanuc AC Spindle Motor αi-βi Series Parameters