Nabtesco AR15-A Servo Drive

The Nabtesco AR‑15‑A is a VIGOSERVO single‑axis servo drive that integrates the motor, controller, encoder interface and power electronics into one compact board. Common failures in this class include overheating of the power MOSFETs or IGBT modules, burnt input/output protection diodes, and degradation of the onboard voltage regulator due to thermal cycling; these often manifest as “over‑temperature” alarms or loss of motor drive. First‑check diagnostics: verify that the supply rails (±15 V, +48 V) are within spec, inspect for blown fuses or damaged heat sinks, and review any error codes in the drive’s diagnostic display before proceeding to component testing.[oss-gpt-20b]

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