Fanuc alarm SV0432
βi SVU/SVM · Fanuc βi SVU/SVM
What it means
Converter: control power supply undervoltage (βi units with integrated converter).
Likely causes
- Drop in external 24V control power supply
- Connector/cable defective (CXA2 chain)
- SVU control supply failure
Triage note: βi units report via CNC alarm numbers, not 7-seg codes (exception: βiSVPM STATUS displays). Source: B-65325EN.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-6130-H2xx
βi Servo Amplifier Unit SVU (A06B-6130 series, rating-dependent) · Common cause
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24V control cable/connector set
Control Power Cable · Common cause
Need the part urgently?
Send us alarm SV0432 with your machine details — typical RFQ turnaround is 24–48h.