SP1980
SIC-LSI Faulty (Spindle Amplifier Side, 30i Range)
Fanuc · AC Spindle Motor αi-βi Series Parameters
What does SP1980 mean?
The SIC-LSI (Serial Interface Converter-LSI) on the serial spindle amplifier side for Series 30i (codes SP1980 to SP1984) is faulty. This indicates a hardware error on the amplifier's communication interface.
Repair Steps
Verified technical data. Last updated: March 2026
Source: Fanuc AC Spindle Motor αi-βi Series Parameters