Vero 136‑010838J is a 24 VDC mono‑phase power supply module (115/230 VAC input) commonly used in industrial automation and control cabinets. Common failure modes for this unit include overheating of the internal transformer or rectifier due to overcurrent, failure of the output regulator IC, or degradation of the filter capacitors under high humidity or vibration. Initial troubleshooting should verify that the AC inlet voltage is within spec, measure the 24 VDC output with a multimeter while the unit is powered, and inspect for visible signs of burn marks, bulging capacitors, or loose connections on the PCB. If the output is absent or unstable, check the input fuses, replace any failed capacitors, and test the regulator IC with an oscilloscope to confirm proper voltage regulation.[oss-gpt-20b]