Question about Coleman Mach 15 Air Conditioner

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I have a 1988 Prowler TT with a Coleman TSR Mach3. I've installed a new blower motor.The fan side works fine on high and low but when i move the selector to High Cool the compressor does not turn on..however when i move the selector to Low Cool the compressor turns on and it cools for a few seconds then locks up..now fan no cool air. Any ideas?? Is there a way to change/add oil to these units? Thanks, Hot in Alabama

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: coleman tsr mach 3 RV Air Conditioner

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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SOURCE: broken selector switch on Coleman TSR air

you need a control if the center came out if it is just the plastic knob appliance parts store or google it. Tom

Posted on Jun 18, 2009

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SOURCE: coleman tsr rv air conditioner leaks into rv when running

It probably has a clogged condensate drain. Take off the cover on top the RV and check hoses or tubes leaving unit for debris or lint. Often this water is used to help cool the condenser so look for leaves pine needles etc in the pan. There may be a cover you can remove on the evaporator section that will allow you to clean the collection pan and hose or trough. Is it possible the RV is far enough out of level that the condensate can't "run uphill"? Always power off while working on this unit unless you are electric savvy. Good luck!

Posted on Jun 28, 2009

motor1258
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SOURCE: coleman tsr roof ac does not cool 27' rv i've

Is this a new unit/RV by any chance?

Posted on Jul 23, 2009

BIKER T
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SOURCE: Coleman TSR Mach air conditioning roof mount trips breaker

The simplest answere to start is it' looks like the compressor is the ssue." Either it has siezed"or in my oppinion needs a proper household power to activate it. If the voltage drop on these units is a little below a certain value, it will not start and will burn out. Thats why i suggest a household power be tried first. I feel your generator is a little undersized. You will only know once you have applied household power.

Posted on Sep 23, 2009

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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

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