Question about Coleman Mach 15 Air Conditioner

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Coleman-MAch 8330B63. Unit starts and blows cold air for about 10 minutes. Then simply shuts down. Will not start up again until about 10 minutes later. Can hear compressor working, but no fan.

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Either bad fan motor or dirty condenser coils need cleaned..possible obstrution with fan motor keeping it from turning.

Posted on Sep 08, 2009

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I have a 2010 30' cougar travel trailer, we have never used the air conditioner which is a coleman mach model, when I put it on auto and cool it blows cool air but never gets cold am I suposed to


Check the temperature of the air coming out the vent If it's more than 10 degrees below the air going in it's ok. If it's the same temperature, the condensing system may be not working. The compressor may just be a quiet one!

May 18, 2012 | Coleman Mach III Air Conditioner

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Model coleman mach 8333c8714 serie 8000 my a/c start for 2-3 minutes and than the a/c shut down but the fan still working!! after a few minutes , it want to start again but dont seem to be able to. you can...


COLEMAN R.V. AIR CONDITIONER SERVICE AND REPAIR QUESTIONS
COLEMAN R.V. PRODUCTS
GO TO rvcomfort.com
Click on RVP (RV PRODUCTS)
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then click on contact us on the Green Bar.
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Make sure the condensor fan is blowing through the condensor on the roof. It sounds like the compressor is fighting high head pressures after running a bit.. After so many attepts, or if it suceeds in operating the load trips the circuit breaker.. Make sure the condensor is clean and air is passes through it from the fan. Just for clarifiication the condensor is the coil that gets hot and the evaporator is the coil yat create the cold air. Good Luck, and if you will, let me know how it turns out. Good Luck. Ned

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My coleman 13,500 roof a/c year 2000 does not blow as cold as used to. I have cleaned the top condenser coils, with no help. It also at times will seem to pull a heavy load when I assume the compressor...


if the compressor started and stoped means
1 thermostat need settings
2 compressor over heated due to low suction pressure need to check and repair the leak then charge the freon

Sep 14, 2009 | Coleman Mach III Air Conditioner

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I have a Mach III. Unit blows hot air and bogs down when cooling.


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Jul 27, 2009 | Coleman Mach III Air Conditioner

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Recycling to soon?


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Jun 01, 2009 | Coleman Mach III Air Conditioner

1 Answer

Compressor wont start


It is probably a failed run capacitor for the compressor. Without the capacitor, the motor can't even try to run, but it will draw extreamly high amperage until it trips the thermal overload (avarage trip time 5-10sec) after it has a few second for the safety to cool off, it will try again. Either that or the compressor truly is seized

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Coleman tsr mach 3 RV Air Conditioner


I don't think you need a new one just a good cleaning and service. The unit has a liquid high temperature line near the compressor with a fan blowing outside air across it this coil gets clogged over time with air-borne dirt and pollen and leaves and such and must be cleaned regularly or the unit will be unable to remove the heat from the coil and during the peak demand (3pm) the circuits that protect the compressor and the trailer wiring from being overloaded and burning or melting will trip. From what you have described it sounds like the RV is working as it should with a condenser coil that needs to be cleaned. GL and happy camping!
P.S. I've only serviced the occasional RV unit but in those cases I laid a piece of plywood on top of the Rv for work platform removed the retaining screws from the top cover and used a spray bottle with a good heavy foaming cleaner a shop-vac and a brush to get the job done.

Jun 11, 2008 | Heating & Cooling

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