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    jack dandy's Avatar
    jack dandy Posts: 226, Reputation: 9
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    #1

    Nov 18, 2007, 01:52 PM
    Gas fireplace won't lite,pilot light is on
    I turned my gas fireplace on and the pilot lit fine and stays on but I can not get the main fire to go on. I have cleaned the thermocouple and other device on other side of pilot and also tried jumping the thermostat at wall and at fire place but no luck.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 18, 2007, 09:04 PM
    Is this a self powered (milivolt system) or does it run off 120 volts with a transformer?
    jack dandy's Avatar
    jack dandy Posts: 226, Reputation: 9
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    #3

    Nov 19, 2007, 08:10 AM
    Quote Originally Posted by jack dandy
    I turned my gas fireplace on and the pilot lit fine and stays on but i can not get the main fire to go on. i have cleaned the thermocouple and other device on other side of pilot and also tried jumping the thermostat at wall and at fire place but no luck.
    It's a milivolt system self powered
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Nov 19, 2007, 10:01 AM
    Could be the pilot generator or a safety device wired inline with the generator and valve.
    jack dandy's Avatar
    jack dandy Posts: 226, Reputation: 9
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    #5

    Nov 19, 2007, 11:02 AM
    Is there a way of finding this out by myself or is it better to have a Qualified technichen come lookat it?
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #6

    Nov 19, 2007, 11:51 AM
    If you have a volt meter, check for a small voltage across the gas valve terminals. If you have power to it, and it doesn't open it is bad. Otherwise, you need to look for a bad limit switch.
    jack dandy's Avatar
    jack dandy Posts: 226, Reputation: 9
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    #7

    Nov 19, 2007, 12:05 PM
    Thanks, how did you know jack dandy is my dogs name or am I drawing to far into this?
    jack dandy's Avatar
    jack dandy Posts: 226, Reputation: 9
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    #8

    Nov 19, 2007, 03:44 PM
    Could the thermocouple or a device called a thermopile keep the main flame from lighting?
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