How to check a faulty contactor with multimeter | Complete testing | From coil to auxiliary

This video gives a thorough explanation and demonstration of how to use a multimeter to diagnose a faulty contactor. How to check from the magnetic coil to the auxiliary wind to know the particular part of the contactor that might be faulty. The video also explains the values of ohm reading that should be expected from a good and a bad coil. as well as for bad and good contacts.
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