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  1. #1

    Carrier 58PAV Trouble

    Have a clients furnace that isn't working correctly, stated that the furnace doesn't turn on. Due to heat element that I ohmed out and no continuity. But she stated that now the fan (blower motor) doesn't work. Troubleshooted and motor works, bypassed control board and motor turns on. The trouble is when I jump C to G, the condenser turns on and not the blower motor. Did the test connector to C and the led light does rapid flash. I'm thinking the board is shot. Any advice? I'm new to the field and trying to get some experience by doing some side work. I am "qualified" have EPA cerification and went through the proper training but like life. Experience isn't learned in books.

  2. #2
    Join Date
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    Moved to Tech to Tech Residential forum.
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    How many times must one fix something before it is fixed?

  3. #3
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    I am "qualified"
    What makes you "qualified" to work on your own without a senior tech to support/back you up?

    Yes, everyone needs a little help once in awhile.
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    How many times must one fix something before it is fixed?

  4. #4
    Join Date
    Dec 2002
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    SouthEast NC ICW & Piedmont Foothills
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    you don't need to jumping anything out until you understand what it is you are jumping and the consequences of any incorrect action.

    I'm still trying to understand what "heating element" you ohmmed out; ?
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  5. #5
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    He Saw It.
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  6. #6
    Join Date
    Sep 2007
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    edmonds wa
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    Jumping c to g ! that will always cause things to work.keep jumping things out and you will be calling out a tech to repair.

  7. #7
    Wow what a cluster I've made, I meant the R to G see if the blower motor will turn on, the condeser started but not the blower motor. My bad for stating the wrong terminal. Yes I know it's better to have a senior tech to back me up but when ones not around should I just wait? So any how, I jumped the R to W and no induction motor running or gas valve opening. R to Y and same no response. So I jumped the test terminal to C and the LED was flashing fast. So to me it seems as though it's the control board. Yes it was the HSI that I ohmed out

  8. #8
    Join Date
    Nov 2012
    Location
    Kansas City mo
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    7
    If you are jumper r and g and the outdoor unit comes on it could be a few thing. First I would check the wiring to insure that it is wired correctly. If it is wired correctly the I would start looking at the control board. Don't give up as a tech and don't listen to the down talk here if someone is talk down to you it is just because they don't know.

  9. #9
    It is wired correctly also from the statement that she stated that the unit used to work properly then the heater stopped working (due to the Hot Surface Ignitor being out) than the blower motor stopped. So that leads me to believe that it's the control board. I have to also check the manual restart button to ensure that it is the board. Thanks for the reply and encouragement. After all it's just the internet. Think skin is what is needed in the world not PC BS.

  10. #10
    Join Date
    Feb 2010
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    Calgary, Alberta
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    You said you ohm'd the igniter, what value did you get? And was the igniter unplugged from the harness?

  11. #11
    Yes the igniter was unplugged otherwise you'd be omhing out the rest of the system.

  12. #12
    Join Date
    Nov 2012
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    PA
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    If you jumper R to G and the fan switch on the thermostat is in the auto position the A/C cond will come on, this is normal. Disconnect the Y when doing this. The relay on the circuit board that turns the blower on is one of the most common failures I have seen with circuit board.

  13. #13
    Join Date
    Jan 2004
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    Lancaster PA
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    Quote Originally Posted by Elhuezo View Post
    Wow what a cluster I've made, I meant the R to G see if the blower motor will turn on, the condeser started but not the blower motor. My bad for stating the wrong terminal. Yes I know it's better to have a senior tech to back me up but when ones not around should I just wait? So any how, I jumped the R to W and no induction motor running or gas valve opening. R to Y and same no response. So I jumped the test terminal to C and the LED was flashing fast. So to me it seems as though it's the control board. Yes it was the HSI that I ohmed out
    What your calling side work, isn't side work since your not working in the trade. Your working under the table(presuming your not going to file this income with the IRS).
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