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    get-cool's Avatar
    get-cool Posts: 6, Reputation: 1
    New Member
     
    #1

    Feb 9, 2010, 11:04 PM
    Goodman gds80703axbb 07 model..
    Goodman gds80703axbb 07 model.. goes like this ,I get a call ,unit is downflow in closet and is in lockout. I retry,suspect flame sensor,cleaned it real good, no go.Had a look at the board,burnt spot on it,advised owner maybe he should have an electrician out to find why I have voltage on my ground(only 1.6 volts but still.. next day he is there an verifies(uh huh) that There's NO voltage anymore,anywhere) changed board it,worked fine. 2-3 weeks later,tennent calls gas company with odor issues.Gas comp says it has a bad auto shut off and need more combustion air. OK,lets remove the red tag and get to work,Added 4x10 high an lo combustion air., changed gemini gas valve,which was fine anyway,turned out to be the MANUAL shut off.Oh well glad it was under warranty.Dont like changing parts I don't have to,I don't want to be classified as a parts changer,but if the gas company says do it an I didn't.. eww if something bad happened. So as the plot thickens,2 weeks go by, an now there burners are dropping out again. New board,new valve,good pressure,combustion air,. I'll check in the morning. At 9 a.m. Any suggestions would be helpful,and appreciated. Maybe the new moister air got my flame sensor this time.. or a t-stat issue, if it's the board ,then what's making them go bad?
    thanks for any help,
    Bill
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Feb 10, 2010, 05:59 AM
    Clean flame sensor then Test flame sensor to proper reading for the unit model number. Below is an example only since the reading necessary differs with different boards.
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  2. get-cool's Avatar
    get-cool Posts: 6, Reputation: 1
    New Member
     
    #3

    Feb 12, 2010, 01:51 AM
    Quote Originally Posted by hvac1000 View Post
    Clean flame sensor then Test flame sensor to proper reading for the unit model number. Below is an example only since the reading necessary differs with different boards.
    Thank you ,very much.
    I asked the question based on what a homeowner said a tennent told her. an got the call in the evening,an actually was able to post. Turns out he came home an turned his t-stat on an its been working like a champ. If it was locked out,he would have to reset the power(110v),an he did not.. he met me in the yard to tell me his wife was just a ll bit of a worry wart,and is scared of gas... an he would have called the night before but etc etc.. another thing id like to add, I did not install this unit, and the power supply is coming from a wall outlet... I suggested a dedicated line,but no go. I appreciate your answer,an it still might turn out to be that but everything looked good for now. I'm sure I'll be back wiith more later, surely this summer,as Im new to 410 an am sure ill run into things this summer.maybe tomorrow on a HP ,who knows.. thank you again
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #4

    Feb 12, 2010, 04:32 AM
    No problem

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