PCB (printed circuit board) Parts and Components Identification A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate. Components are generally soldered onto the
PCB main point Check If our Indoor and Outdoor Unit not running. Our power and breaker is On But neither is our Outdoor running and neither indoor. Some main fault we should always check. Open PCB from Indoor. Fuse Check: we should always check Fuse, Our unit will not work If the fuse gets damaged.
Outdoor running Continuous If your Outdoor running Continuous. Whether indoor Off. Whether you turn the AC on or off off with remote. But your Outdoor running Continuous. This is Problem in your PCB Board. I found this fault in Non-Inverter AC. Open his PCB Kit from Indoor and you can check his output Supply show