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    noble344769's Avatar
    noble344769 Posts: 3, Reputation: 1
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    #1

    Jan 25, 2013, 08:45 PM
    Will a relay keep my transformer from reading 24 volts?
    I am working on a electric furnace and I thought since the transformer was only putting out 2.8Volts that it must be bad. I went and got another one and wired it in and it reads the same. Nothing seems to be open in the system and I can't power up the thermostat to kick on the furnace. Could the relay be bad?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    Jan 25, 2013, 09:28 PM
    What is the input voltage to the transformer?
    noble344769's Avatar
    noble344769 Posts: 3, Reputation: 1
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    #3

    Jan 25, 2013, 11:29 PM
    I got two legs of 120 volts but only 2.8 is coming out of the transformer
    noble344769's Avatar
    noble344769 Posts: 3, Reputation: 1
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    #4

    Jan 25, 2013, 11:30 PM
    Quote Originally Posted by hkstroud View Post
    What is the input voltage to the transformer?
    I got 240 into the transformer and only 2.8v coming out
    Handyman2007's Avatar
    Handyman2007 Posts: 988, Reputation: 73
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    #5

    Jan 26, 2013, 03:32 PM
    Is the 2.8v with the transformer connected to the relay? If so disconnect the relay or whatever is connect to the 24v side of the transformer and check the voltage. If 24v is present, the problem is AFTER the transformer.
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