The Servomac CT197A is a servo drive control board used in industrial motor‑control applications, typically regulating speed and position of servomotors. Common failure points for this class of equipment include power‑supply voltage spikes, overheating of the MOSFET or IGBT driver stages, and degradation of the on‑board capacitors or inductors that can cause erratic behavior or shutdowns. Initial troubleshooting should verify the input supply voltages against spec, inspect the board for burn marks, component damage, or loose connections, and check any diagnostic LEDs or error codes displayed by the controller. If available, run a short‑circuit protection test on the motor outputs and confirm that all I/O signals are within expected logic levels before proceeding to deeper diagnostics.[oss-gpt-20b]