National Controls Corp MPC‑FC445‑012 is a high‑current industrial control board typically used in food service equipment and other process automation systems. Common failure points for this class of boards include degraded power supply regulators, burnt or cracked capacitors on the input/output rails, and damaged MOSFETs or IGBT modules that handle motor drive currents. For an initial check, verify the 24 V DC rail voltage with a multimeter, inspect all surface‑mount components for visual signs of overheating or charring, and review any diagnostic error codes displayed by the host system. If power is present but performance is degraded, test the output current capability with a load bank to confirm driver integrity.[oss-gpt-20b]