Fanuc alarm SV0430
αi/βi Servo (SV0xxx) · Fanuc 0i-D
What it means
Servo motor overheat - motor internal thermostat operated.
Likely causes
- Motor overloaded beyond continuous duty
- Motor cooling blocked / high ambient
- Thermostat or feedback cable fault (false trip when motor cold)
Triage note: If alarm trips with a cold motor, suspect thermostat/cable rather than genuine overload.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-02xx/03xx-Bxxx / A06B-0051-Bxxx
Servo Motor (αi/βi, spec-dependent) · Common cause
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JF1 feedback cable
Encoder Feedback Cable · Common cause
Need the part urgently?
Send us alarm SV0430 with your machine details — typical RFQ turnaround is 24–48h.