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  1. #1
    Join Date
    May 2005
    Posts
    14
    Hey folks, I have a 2.5 ton Trane outdooor compressor that is approximately 10 years old. It just quit on me today. I noticed the breaker had tripped and when I went to reset it, the compressor did not come back on. The timing of the failure is very suspicious because I just had the coil and furnace replaced in my AC system approximately 2 weeks ago. What could they have done to cause the compressor to fail prematurely? Maybe they overcharged it?

  2. #2
    Join Date
    Apr 2005
    Location
    Inland Empire,CA
    Posts
    56
    multiple things come to mind. need to call hvac co. back out. you should have replaced entire system if 10 years old.

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,894
    What was wrong with the old coil that you had it replaced?

  4. #4
    Join Date
    May 2005
    Posts
    14
    I had the coil replaced because it was dirty. It was dirty enough that it either needed to be replaced or taken out and thouroghly cleaned. I chose the replacement option.

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,712
    Doubtful they did anything wrong.

    Now call them, and ask them to check it for you.
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    How many times must one fix something before it is fixed?

  6. #6
    Join Date
    Mar 2005
    Location
    Louisiana
    Posts
    211
    I wouldn't accuse them of tampering with your compressor being you don't know if that is true..

    HiltonTech

  7. #7
    Join Date
    Jul 2004
    Location
    villalba,p,r
    Posts
    170
    the you take the amperage?

  8. #8
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    Letting the coil get that dirty likely led to the untimely death of the compressor. On the other hand it could be a minor problem. When you say compressor, I would assume you are talking about that big piece of equipment that sits outside. The compressor resides inside that piece of equipment. Call an expert. Let them solve the problem for you. Good luck!
    There is nothing more frightful than ignorance in action....Mark Twain

  9. #9
    Join Date
    Dec 2002
    Location
    Houston,Tx.
    Posts
    15,826
    When you flip the breaker on does it stay on for a while or does it trip immediately? could be a burnt wire shorting against the cabinet or many different things, but the wrong thing to do is be accuse the service company. I would just call them and tell them the a/c is tripping the breaker and let them come out and check it out.
    __________________________________________________ _______________________
    “Experience is a hard teacher because she gives the test first, the lesson afterwards". - Vernon Law

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  10. #10
    overcharge and or did not install the correct piston.

  11. #11
    Join Date
    Apr 2003
    Location
    California
    Posts
    634
    moe-air...do you always replace systems that are only 10? pretty good diagnosis considering it is a trane and you dont know the history, location and you have never seen it before..............just wondering

  12. #12
    Join Date
    May 2005
    Posts
    14
    Folks, thanks for your information (except for moe-air's unless he can explain why you should replace a Trane A/C unit every 10 years). A HVAC technician came out to my house last night. Each time we reset the breaker the outdoor A/C unit would immediately trip. The HVAC technician determined that the condensor motor was OK but found out that the crankcase heater was bad. He bypassed it and the outdoor unit started cooling again. Is this a bad thing to bypass? What function does the crankcase heater perform? He said he would get back with me on the cost for replacement of the heater sometime today. I am a little nervous running the unit without the crankcase heater connected.

  13. #13
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    Trane used a small plug type sump heater on some of the models that pushed into a square tube with a round hole through it under the compressor. These are famous for shorting where the wires meet the heater. You'll be fine for a while during warm weather, but it should be replaced asap. Cost to repair should be fairly reasonable.
    There is nothing more frightful than ignorance in action....Mark Twain

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