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  1. mark beiser, thank you very much for the...

    mark beiser, thank you very much for the education on the high efficiency coils and bacteria growth. Your description of how the coild and fins are designed helps me understand more about the mold...
  2. caincompany, I can understand. I really feel...

    caincompany,

    I can understand. I really feel for my dealer as I have been using them for many years and have purchased a number of systems (not Trane) from them for other houses and they have...
  3. HarryTheDog, we never had this issue prior the...

    HarryTheDog, we never had this issue prior the new unit install March 2012, so the answer to your first question is NO.

    The drain line runs across the attic joists, down through an outside wall...
  4. Trane TAM 8, XL 20i having musty odor problem now

    I have just spent the past four or five hours reading and searching this forum and the internet for a problem similar to mine, but could not find one, so here it is:

    We are having another issue...
  5. Replies
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    2,551

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  6. jimj, when a remote sensor was added way back at...

    jimj, when a remote sensor was added way back at the begining of this, I lost humidy control. When the sensor was removed, they had to do a factory reset on the XL950 as it would not "forget" that...
  7. It has been a while since I last posted and I...

    It has been a while since I last posted and I wanted to provide all with an update to my issues.

    The installer was finally able to get some information out of the local Trane field person and this...
  8. Sorry my replies are a little long, but I want to...

    Sorry my replies are a little long, but I want to make sure I get enough information out so all your questions might be answered, and possibly raise other questions.
  9. Second opinion, thank you for your reply. One...

    Second opinion, thank you for your reply.

    One would think that if a factory reset is performed and a new software update, that all errors would be cleared. Plus, the XL950 was brand new when...
  10. Second opinion: yes, I have been into the...

    Second opinion:
    yes, I have been into the installer setup in the XL950 many times as that is where I have found all the stored alerts and some history.
  11. second opinion, With the T900 installed, the...

    second opinion,
    With the T900 installed, the error 126 is gone and does not show up again.

    The error is only there with the XL950 and makes the system "non-operable".
  12. The dealer was here this morning. The dealer told...

    The dealer was here this morning. The dealer told me they checked on the TAM8 board revision and from what they could find, it is specific to certain TAM8 units, and mine is not one of them. So, at...
  13. Forcryinoutloud, thank you for this valuable...

    Forcryinoutloud, thank you for this valuable piece of data.

    This must be why the dealer had trouble after installing a new TAM8 board and a new XL950 when the XL950 would not communicate - it...
  14. Thank you SkyHeating. No, we did not speak on the...

    Thank you SkyHeating. No, we did not speak on the phone.

    The hole the wire comes through is sealed with insulation, and we even added a high density foam insulation pad between the XL950 and the...
  15. Thank you SkyHeating. The dealer replaced the...

    Thank you SkyHeating. The dealer replaced the TAM8 main control board last week along with the XL950 and had the same issue. I will ask the dealer if the replacement board is the latest version.
    ...
  16. Thank you second opinion. The 126 error also...

    Thank you second opinion.

    The 126 error also means there is a possibility that communication was lost or that the control voltage was lost according the the diagnostics on the thermostat...
  17. I will have to try that. The last time I upgraded...

    I will have to try that. The last time I upgraded software was to version 1.2 I believe, and now I see there is a version 2.1.

    It would be nice if Trane would alert us to new software.

    It may...
  18. Trane XL950 not reading indoor temp correctly and shows error 126

    Problem with XL950 Comfortlink II 7 color display improper indoor temperature display and communication error 126.


    I had a Trane 3 ton XL 20 i, TAM 8 air handler, all new duct work, and XL950...
  19. Knave - if it is for heat it must be for heating...

    Knave - if it is for heat it must be for heating other than the heat pump or the heat strip as I have had both of them on for at least 30 minutes to test the system, and I now know that the stage 1...
  20. The photo attached here is of the useage or...

    The photo attached here is of the useage or history screen. It shows what percentage of the day the system ran, and what mode it ran in. This is the display that I was asking for help to figure out...
  21. Here is a photo of the "Home" screen. On the...

    Here is a photo of the "Home" screen.

    On the left side, the display is indicating indoor temperature, and below that it is displaying the mode the system is in (in the photo the system is in...
  22. Thank you SkyHeating. I finally found the...

    Thank you SkyHeating. I finally found the "Legend" button. I had seen it before, but it did not look like a button as the contrast between it and the background is not very good, so it blended in...
  23. Second opinion, I forgot to respond to your above...

    Second opinion, I forgot to respond to your above comment on cooling mode: Yes, the system set for AUTO mode, and I assumed it was in cooling mode at the time as there is cool air coming out of the...
  24. Knave, this time of year in Florida, we need to...

    Knave, this time of year in Florida, we need to run in AUTO mode as we need cooling in the day and heat at night. The 3 degree dead-band is rather rediculous in my opinon, especially when there is an...
  25. Second Opinion, yes i have all the manuals, but...

    Second Opinion, yes i have all the manuals, but they do not really say anything about how to interpret what is there. The documentation is not what one would hope for with such a high tech unit.
    ...
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