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  1. #53
    Join Date
    Nov 2011
    Location
    St. Louis
    Posts
    3,415
    I have to grin every time I read one of these. I was a total DIY as far as HVAC (and everything else I could possibly do) was concerned not all that long ago. Started school only 32 months ago. I remember: deciding that our tstat must be bad one time when our system failed and changing it to no avail; taking our blower motor out and trying to clean it to get it to work; putting in a new thermocouple...each time we had to call a tech.

    Now my favorite call is "my Tstat is not working properly..."

  2. #54
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Quote Originally Posted by hurtinhvac View Post
    I have to grin every time I read one of these. I was a total DIY as far as HVAC (and everything else I could possibly do) was concerned not all that long ago. Started school only 32 months ago. I remember: deciding that our tstat must be bad one time when our system failed and changing it to no avail; taking our blower motor out and trying to clean it to get it to work; putting in a new thermocouple...each time we had to call a tech.

    Now my favorite call is "my Tstat is not working properly..."
    When I was right out of school and a commercial pipe fitter I once changed my tstat in hope my furnace would run better, I wonder looking back if it had to do with the fact I lived in the appt for 2 yrs and never changed the filter lol

  3. #55
    Join Date
    Nov 2011
    Location
    St. Louis
    Posts
    3,415
    I also recall, looking back; how patient and professional all the techs were that visited us - listening to my long tales of what happened, questions and pretending to know a thing or two about how stuff works...All the while terrified of what the bill might be and is it legit.

  4. #56
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    18,558
    Quote Originally Posted by ryan1088 View Post
    Usually you go into attack mode, what's up with just this?!
    I hope you are kidding!

    I try to cull out the pretenders, because this is not a DIY site, and I don't want these open forums to be indexed as a DIY database by the search engines.

    If a pretender pushes, I will gently push back, hoping he gets the idea that he is fooling no one. Sometime, they need a little more convincing. If they are a tech, eventually that will come to light, too.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  5. #57
    Join Date
    Sep 2006
    Location
    Tampa Fl
    Posts
    106
    I worked with a guy, that when he had this problem he would jump the fuse holder with a piece of wire.
    He said he would find the problem most of the time because the part would end burning up.
    Crazy I know!
    I have worked with many crazy tech's

  6. #58
    Join Date
    Dec 2012
    Location
    Rockford IL
    Posts
    1

    5 amp fuse blowing

    Is it blowing during the heat cycle if the system has a humidifier the solinoid could have a short causing the fuse to blow

  7. #59
    Join Date
    Jun 2004
    Location
    EXIT 16W www.wmtandson.com
    Posts
    3,672
    Quote Originally Posted by Bmurph1409 View Post
    No I'm not. And I am universal epa certified. And the gas valve was first bad which is why I changed it and I only changed blower because home owner asked. I have asked many other techs I know and no one think of what it could be.
    Its Called TROUBLESHOOTING!
    DON"T mess with the US
    I thought I had been there and done That.
    ITS ALL ABOUT LEARNIN!
    I thought it would be better by now
    "He who works with his hands is a laborer.
    He who works with his hands & his head is a craftsman.
    He who works with his hands, his head & his heart is an artist."
    ~St. Francis of Assisi

  8. #60
    Join Date
    Apr 2010
    Location
    NC Sandhills
    Posts
    409
    Do you have an ohm/multi meter? Have you tried alternating different individual wires in the tstat wire bundle going to condenser unit if you have isolated it to that, in case some insulation or short compromised one or some of them. Assuming the minimum number wire count wasnt used 3 or 5 for example. We always use atleast 8 wire regardless if its straight ac or not. Zebra makes a z breaker you can mount on unit in 5 amp to help trouble shoot and save fuses/time, also depending on unit location allow home owner to reset an occasional trip so they have heat or A/C untill you get back out there. Straight wiring or using a bigger fuse is stupid as you will only end up burning out transformers or worse.

  9. #61
    Join Date
    Dec 2011
    Location
    San Antonio, TX
    Posts
    381
    This is great! I love starting my day with humor :b

  10. #62
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    18,558
    Quote Originally Posted by Jeremy Keith Miller View Post
    Is it blowing during the heat cycle if the system has a humidifier the solinoid could have a short causing the fuse to blow
    Jeremy-

    You are new here. Welcome.

    Try to read the thread, at least a few posts, before responding. It helps to get the context.

    We have already made a determination that the OP may not be a tech, and we know that this is an "open" forum.

    Therefore, we are not offering technical advice to HO's in this thread. See my post on the previous page.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  11. #63
    Join Date
    Aug 2012
    Posts
    2,663
    Quote Originally Posted by BigBacardi View Post
    the solution is to just replace the parts that u havent done yet...... eventually u will fix problem
    not entirely true.

  12. #64
    Join Date
    Aug 2012
    Posts
    2,663
    Quote Originally Posted by hurtinhvac View Post
    I also recall, looking back; how patient and professional all the techs were that visited us - listening to my long tales of what happened, questions and pretending to know a thing or two about how stuff works...All the while terrified of what the bill might be and is it legit.
    Or worrying that you may in fact know more than the tech that is at your house.

  13. #65
    Try checking the condensor contactor for line voltage backfeeding into the 24v. coil

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