FANUC A06B-6079-H106 Servo Amplifier

The FANUC A06B‑6079‑H106 is a single‑axis Alpha series servo amplifier (SVM1‑130) that accepts 283–325 V input, delivers up to 230 V output, and drives 52.2 A on the L axis, typically paired with Model 22 alpha servos. Common failure points for this class include overheating of the power MOSFET array, degradation of the PWM driver ICs, and insulation breakdown in the high‑voltage winding due to moisture or mechanical shock. Initial checks should verify that the supply voltage is within spec, inspect the heat sink and fan assembly for proper airflow, and review any diagnostic error codes on the control panel for indications of overcurrent or thermal shutdown.[oss-gpt-20b]

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