How is the relay repaired?
Relays as long as the coil is good, the other can repair the inside of the contacts and springs, or some bad relay can remove some accessories in the assembly relay.
To see if you are broken or broken contacts, the coil is for the coil, the contact is broken on the contact, the other very little bad, you look at the line on the line,
Landlord, the relay is best not to open the. General relay bad is the contact is oxidized lead to the emergence of unable to pull (poor contact) and so on. If you really want to repair the black oxide contacts should be no problem. But once opened, the relay inside the rare gas environment is destroyed, it is easier to oxidation.
