Question about Coleman Mach 15 Air Conditioner

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Coleman tsr mach 3 RV Air Conditioner

I bought a Camping trailer that has a Coleman Tsr Mach 3 Air conditioner on it. I can run the fan on it on High, or Low for hours. When I put it in the "cool" position it cuts off after about 10 min. This happens wheather it is in the high or low setting.

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  • miey 1 May 21, 2008

    The compressor runs for about 10 min. , then it pops the breaker. I thought it was the generator tha I was using, but does the same thing when the camper is plugged into the house. (blows the house breaker)

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The fan motor bearings need lub....the shaft has a tiny access hole to put some oil into. because the fan shaft is slowing down, it is putting more strain on the voltage current, and eventually the internal breaker shuts down the ac........plus your condenser is not getting enough air accross it, compressor heats up, and it too will shut the unit down......older units have to be oiled every year, and eventually it too will fail, and a new blower motor assembly is needed or replace the ac unit.....blower motor units are around $130....now you install it or pay to have it done at around another $150 labor,,,,,try yourself, if it fails then call the tech........let me know ..ray..yyzazz@ao.com

Posted on Dec 31, 2008

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Unable to locate a service manual or owners manual for our Coleman TSR Select. Where to obtain? What year was this made?

Posted on Aug 22, 2009

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You will need to go on the roof and remove the cover There can be several thing wrong there is float or sensor switch in the drain pan area on most models make sure the drain is clear also does the compresser run for the 10 mins only if so i need to know but check the drain line first to make sure it is not clogged up

Posted on May 20, 2008

  • Gary Davd
    Gary Davd May 21, 2008

    Sounds like you have a short in the compresser is the fan running ok

  • Luis Bustamante Aug 03, 2013

    this unit does not have a compressor. it is a evaporative cooler.

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