Yaskawa 626 MT II Servo Drive

The Yaskawa 626 MT‑II is an AC spindle drive/servo controller from the CIMR series, rated for 200–240 V AC and up to 15 A (≈22 kW). Common failure points in this class include power supply over‑voltage or ripple, phase loss on the motor windings, overheating of the internal rectifier bridge, and degradation of the drive’s protection relays. First‑check diagnostics: verify input voltage stability and correct phase sequence; inspect the drive for excessive heat, burn marks, or loose connections; review any displayed error codes against the VS‑626MT series manual for indications of overcurrent, short‑to‑ground, or motor overload conditions.[oss-gpt-20b]

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