Bystronic DCM815 10012199 is a high‑power laser supply unit rated at 1500 W (250 V/15 A) with a 360–510 VAC input range and 3×25 A current capability, typically used in industrial laser cutting systems. Common failure points for this class of supplies include degraded electrolytic capacitors on the output stage, overheating of the switching regulator or MOSFETs, and tripped or blown fuses due to overcurrent conditions; these can manifest as loss of power, erratic voltage regulation, or audible fan noise. Initial diagnostics should verify that the input mains is within spec (360–510 VAC, 47–63 Hz) and that all input/output fuses are intact, then measure the output voltage under no‑load to confirm proper regulation before inspecting for visible signs of component failure such as bulging capacitors or burnt traces.[oss-gpt-20b]