Vigoservo ARN15-A Servo Drive

The Vigoservo ARN15‑A is a compact, single‑axis servo drive manufactured by Nabtesco (Teijin Seiki), typically used in CNC tooling, transfer units, or index tables. Common failure points for this class of drives include power supply degradation, overheating of the amplifier board, and loss of encoder signal due to wiring or connector corrosion. Begin troubleshooting by verifying that the input voltage matches the specified 380 V AC (or 48‑72 V DC) and checking for any tripped breakers or blown fuses; then inspect all I/O connectors for loose contacts or signs of arcing, and finally review any diagnostic LEDs or error codes displayed on the unit’s front panel.[oss-gpt-20b]

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