SP0033
Converter: DC Link Precharge Failure
Fanuc · AC Spindle Motor αi-βi Series Parameters
What does SP0033 mean?
The precharge circuit for the DC link in the converter failed to operate correctly. This can prevent the DC bus from charging to the proper voltage during startup.
Repair Steps
Verified technical data. Last updated: March 2026
Source: Fanuc AC Spindle Motor αi-βi Series Parameters