KollMorgen MCSS‑8‑3224‑001 is an AC Servo Drive in the Servostar series designed for 50/60 Hz operation with a rated leakage current of 35 mA and Class A EMC compliance. Common failure modes on this model include power supply degradation, overheating of the internal IGBT module, loss of communication with the host controller, and insulation breakdown leading to short‑circuits or excessive leakage currents. First‑check diagnostics should verify that the input voltage is within spec and that the drive’s status LEDs indicate normal operation; inspect for visible signs of thermal damage or component burn‑outs on the PCB; and review any error codes displayed on the drive’s panel or transmitted via Modbus/Profibus to identify specific fault conditions.[oss-gpt-20b]