Fanuc alarm STATUS1:33 (- on STATUS2): DC link precharge failure (common converter)
αi/βi SVPM · Fanuc αi/βi SVPM
What it means
STATUS1 code 33 on the βi SVPM means the main circuit capacitor was not recharged within the specified time at power-up, reported as SP9033. The soft-charge path or the DC link load is at fault.
Likely causes
- Precharge/soft-charge circuit failure in the converter section
- Short or overload on the DC link (motor leads, spindle section)
- Excessive connected load for the SVPM rating
Triage note: Dangerous stored energy — verify DC link discharged before inspection.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
- Request a quote →
A06B-6134-Hxxx / A06B-6230-Hxxx (SVPM)
amplifier · Common cause
Need the part urgently?
Send us alarm STATUS1:33 (- on STATUS2) with your machine details — typical RFQ turnaround is 24–48h.