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  1. #1
    Join Date
    Jul 2008
    Posts
    5

    Problem with Payne/Coleman A/C. Nothing coming out vents

    I have a Coleman AC unit and a Payne furnace. Controlled by a Honeywell thermostat. For some reason when I run the A/C for about 6 hours straight it will quit blowing anything out of the vents. All the while the Coleman unit is still running and the Payne blower is still running, but no air comes out the vents. Where could it be going? Is there a damper or something that redirects the air?

    This happens 100% of the time without fail if I run it continuously for several hours. If I run it for a few hours, turn it off, then try it's fine. But after this problem starts I have to leave it off for several hours before it will blow air again. And after this problem starts it doesn't matter if I try A/C, heat or just the fan. NOTHING will blow out of the vents anything in the whole house.

    Totally wierd. The air has to go somewhere. Any ideas?

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,535
    When was the last time you changed your air filter.

    If you just changed it in teh last couple days.
    Stop running it. And call for service, or you will do damage to the compressor.
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  3. #3
    Join Date
    Jul 2008
    Posts
    5
    Filter was clean, but I changed it anyways. Still didn't fix it.

    What would cause damage to my compressor? What is causing this issue?

  4. #4
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,535
    There are several possibilities as far as what is causing it.
    Your coil is freezing up, and running it with no air moving over the coil will cause liquid refrierant to reach the compressor.
    And destroy the non replacable valves, or wash the oil out and seize up the compressor.
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  5. #5
    Join Date
    May 2008
    Posts
    5

    refrigerant

    Is your suction line freezing up outside (the fat line).

  6. #6
    Join Date
    Jul 2008
    Posts
    5
    The fat line being the biggest copper line with insulated foam cover?

    It was cold right by the fitting on the compressor, and there is a little big of water on that fitting. But it's not freezing temps.

    What I don't understand is why after this starts will the heat or fan only not blow any air out of the registers? That has nothing to do with the compressor right?

  7. #7
    Join Date
    Jul 2008
    Location
    Pittsburgh PA
    Posts
    37

    Check pioes

    See if you suction line is freezing up at the furnace or outside.
    What was I thinking??? I never do that again!!!

  8. #8
    Join Date
    Nov 2007
    Location
    Hattiesburg, MS
    Posts
    41
    If your unit is running continuously for six hours it is not operating right. You should have a tech come check your a/c system. It is most likely low on refrigerant which will ice the inside unit's coil, restricting the flow of air.
    Good luck.

  9. #9
    Join Date
    Jul 2008
    Posts
    5
    Quote Originally Posted by jcater8127 View Post
    If your unit is running continuously for six hours it is not operating right. You should have a tech come check your a/c system. It is most likely low on refrigerant which will ice the inside unit's coil, restricting the flow of air.
    Good luck.

    I have a very hot house that also has a computer/office room that is like a non stop heater from the PC's. When working it will cool the office room to 69deg when it's 90+ outside.

    But still a a/c problem should have no effect on the furnace unit's fan or heater blowing air out the vents, right? When this problem starts NOTHING comes out the vents and that includes a/c, fan, or heat.

  10. #10
    Join Date
    Jan 2007
    Location
    N.E. Ok.
    Posts
    1,371
    Quote Originally Posted by tomd2 View Post
    But still a a/c problem should have no effect on the furnace unit's fan or heater blowing air out the vents, right? When this problem starts NOTHING comes out the vents and that includes a/c, fan, or heat.
    That is the correct sequence of operation for your a/c

    which needs serviced as mentioned 100 times

  11. #11
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,535
    Same fan blows air for cooling as heating.

    Call and set up a service appointment, before you need to spend more money replacing the compresor.

    While the tech is there. He can explain how your system works.
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  12. #12
    Join Date
    Jul 2008
    Posts
    5
    Will do, I'll get a tech to look it over.

    Still makes zero sense to me how the furnace blower can be operating, yet nothing comes out the vents. It's obviously creating air (i can feel it in the furnace room), I can hear the blower working, yet no air out the vents.

  13. #13
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,535
    The tech can show and explain it to you.
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