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    ryanporter's Avatar
    ryanporter Posts: 8, Reputation: 1
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    #1

    Dec 16, 2012, 08:49 AM
    Intertherm furnace troubleshooting
    Intertherm furnace model E2EB-012HA will heat normally for awhile then quit. I will wake up or come home to cold house. Thermostat will show that unit should be heating but nothing is running. Thermostat shows heat running but nothing is and temperature in house is below the setting. I have turned off breaker for ten seconds and then back on. This will start the furnace and run OK for awhile then happens again. I replaced breaker thinking it might be weak but still acts the same with new breaker. Thinking it might be sequencer but not sure.

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    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Dec 16, 2012, 01:27 PM
    You are going to have to try this while the furnace is not running yet the thermostat is calling for heat.

    Install a jumper between terminals R & W on the furnace (where the thermostat wires connect). If the furnace starts, you have a problem with either the stat or wiring.
    ryanporter's Avatar
    ryanporter Posts: 8, Reputation: 1
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    #3

    Dec 16, 2012, 02:57 PM
    Should I install the jumper without turning breaker or power off? I'm thinking yes, because if I turn off power then it will just react the way it has when I've shut it off before and won't know if it was the jumper that fixed it or just resetting power.
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #4

    Dec 16, 2012, 07:55 PM
    You are correct. The jumper should be installed without breaking the power to the furnace.
    ryanporter's Avatar
    ryanporter Posts: 8, Reputation: 1
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    #5

    Dec 20, 2012, 07:47 AM
    Quote Originally Posted by Grady White View Post
    You are correct. The jumper should be installed without breaking the power to the furnace.
    Jumper wire did not start furnace, so what does that mean now?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #6

    Dec 20, 2012, 05:52 PM
    Is this a gas or electric furnace?
    ryanporter's Avatar
    ryanporter Posts: 8, Reputation: 1
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    #7

    Dec 21, 2012, 06:45 AM
    Quote Originally Posted by mygirlsdad77 View Post
    Is this a gas or electric furnace?
    Electric
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #8

    Dec 21, 2012, 04:54 PM
    Oh, sorry, I don't see many electric furnaces in my area so I don't have much info for you here. I will say that the few I have worked on (probably less than a dozen) have all been burned out elements or faulty sequencers, but of course there is much more to them than that. Please let me know what you find, and hopefully one of the other pros here can point you in the correct trouble shooting direction.
    ryanporter's Avatar
    ryanporter Posts: 8, Reputation: 1
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    #9

    Dec 21, 2012, 07:50 PM
    Quote Originally Posted by mygirlsdad77 View Post
    Oh, sorry, I dont see many electric furnaces in my area so I dont have much info for you here. I will say that the few I have worked on (probably less than a dozen) have all been burned out elements or faulty sequencers, but of course there is much more to them than that. Please let me know what you find, and hopefully one of the other pros here can point you in the correct trouble shooting direction.
    That's what I was thinking either element or sequencer. I think I will try sequencer first since it's the least expensive. Thanks for trying to help!
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #10

    Dec 23, 2012, 03:01 PM
    Yes, I would suggest the sequencer first also. A bad element would not work intermitantly, but a sequencer often times will.
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