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    12 Volt fixture blues!

    Having problems trouble shooting a 12v track fixture. The fixture shuts off. I replaced the dimmer switch with a common slide type to rule out a switch problem. Have replaced the transformer also. Are these type fixtures equiped with a thermal-overload device? Thanks!!

    #2
    Originally posted by ItsHot View Post
    Having problems trouble shooting a 12v track fixture. The fixture shuts off. I replaced the dimmer switch with a common slide type to rule out a switch problem. Have replaced the transformer also. Are these type fixtures equiped with a thermal-overload device? Thanks!!
    Does the wattage range xfmr match up to track head loading and line distance. rbj
    rbj, Seattle...Safety is a Professional Courtesy.

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      #3
      Originally posted by gndrod View Post
      Does the wattage range xfmr match up to track head loading and line distance. rbj
      Yes, the replacement transformer is the exact transformer that worked on the fixture for 5 years.

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        #4
        Originally posted by ItsHot View Post
        Yes, the replacement transformer is the exact transformer that worked on the fixture for 5 years.
        Was the replaced xfmr heat failed? The xfmr should last indefinitely if the max wiring length was not over spec and track lamping was not overloaded. rbj
        rbj, Seattle...Safety is a Professional Courtesy.

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          #5
          is the transformer dimmable?
          It depends on what the meaning of "is" is.

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            #6
            I have not ruled out that the original transformer is bad. Had another new identical transformer, so just swapped it out. And yes this is a dimmable transformer.

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              #7
              Check you connections. If you are getting 12v at the transformer than it will be a bad connection.

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                #8
                corrosion

                Originally posted by jerrysounds View Post
                Check you connections. If you are getting 12v at the transformer than it will be a bad connection.
                In the past I have located connection problems with corrosion due to electroloyis(sp?). I may have that somewhere in the fixture? Thanks for pointing that out!

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                  #9
                  Anyone else had problems with 12v fixtures shutting down?

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                    #10
                    Originally posted by ItsHot View Post
                    Anyone else had problems with 12v fixtures shutting down?
                    I've also seen a loose neutral on the primary of the transformer cause this problem.
                    It depends on what the meaning of "is" is.

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                      #11
                      U have to exceed the total load for all service, DC!
                      If you are even thirsty, you are two quarts low.

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