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  1. #1
    Join Date
    Mar 2012
    Location
    Hattiesburg, MS
    Posts
    16

    A/C running-air handler shut off-condenser continued to run

    Hello, new to the site, would appreciate any help. My A/C was running and then the air handler shut off but the condenser continued to run. The house was not cool (not a stuck contactor) and now the air handler wont come on. I am getting voltage on both sides of both transformers (its a gas furnace) and the only way to turn on the air handler is the switch on the handler. It is an older unit (no board), and the switch has 3 positions (ON, OFF, FAN). It would normally be in the ON position, but currently the only way the handler will turn on is in the FAN position. I am steadily checking different parts, t-stat is next, but if anyone can point me in the right direction that would be sweet.

  2. #2
    Join Date
    Feb 2006
    Location
    Phoenix,AZ
    Posts
    2,894
    Need more info! Like brand,model number and your occupation?

  3. #3
    Join Date
    Mar 2012
    Location
    Hattiesburg, MS
    Posts
    16
    I work in the fireworks business but am a universal certified technician thru Esco. Trying to do a little bit of this work on the side as it is somewhat seasonal and so is my job in fireworks. Its new to me though, so still have a lot of learning to do. The unit in question is the one at my house, not there right now, but will get the model # for you a bit later. Appreciate the help.

  4. #4
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,164
    Welcome here bigfleen.

  5. #5
    Join Date
    Mar 2012
    Location
    Hattiesburg, MS
    Posts
    16
    Thanks buddy. Here it what Ive got:
    Nordyne
    MGHA-075ABFC-01

  6. #6
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,164
    If you repost in the Tech to Tech chat area you will get a lot more response.

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