Okuma BLII-DYD Bliid Drive

The Okuma BLII‑DYD Bliid Drive is an AC servo amplifier used in CNC axis control, typically rated for single or dual‑axis operation with power ratings ranging from 15 kW upward. Common failure points identified in the BL2‑D/BLIID/BL4‑D troubleshooting guide include over‑current protection tripping due to shorted windings, capacitor degradation causing voltage spikes, and misconfigured dip switches leading to incorrect drive mode or speed limits. First‑check diagnostics should verify that the power supply is within spec (phase voltages, neutral integrity), inspect all dip switch settings against the machine’s original configuration, and review any LED status codes or error logs for indications of over‑temperature or short‑circuit conditions.[oss-gpt-20b]

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