Teijin-Seiki AR 15 AC Servo Drive

Teijin‑Seiki AR 15 AC Servo Drive is a 15‑frame actuator amplifier designed for 0.4 kW motor outputs with optional brake and either absolute or incremental encoder support. Common failure points in this class include power supply degradation, phase‑to‑phase imbalance, over‑temperature shutdowns, and encoder signal loss due to cable wear or connector corrosion. Initial checks should verify the incoming AC voltage and ground integrity, inspect all I/O connectors for tightness and corrosion, and review any diagnostic LEDs or fault codes displayed on the drive’s front panel.[oss-gpt-20b]

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