This video teaches viewers how to diagnose and repair faulty contactors using a multimeter. The video covers three common contactor faults: failure to start, lack of output power, and control issues. The presenter demonstrates how to test the contactor's coil, power terminals, and auxiliary contacts for proper operation.
226994 2 года назад 6:42This video explains why relay pins are numbered the way they are, using the example of Bosch relays. The video also shows how to identify different types of relays and how they work, including a demonstration of a relay switching a light bulb. The video concludes with a tip on how to remember the pin numbers.
1198671 3 года назад 7:22