Question about Coleman Mach III Air Conditioner

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It runs cold briefly for about 4 to 5 minutes then

I have a Coleman air conditioner mounted on top of my cruiser, model 6759C707. It hasn't been used much in the past few years. It runs cold briefly for about 4 to 5 minutes then stops and the breaker panel trips. It sounds like the pressure builds and then it stops. It runs good and cold, I am thinking that there may be a rusty electrical connector for a pressure relay inside the cover that is corroded that I am going to check for. The fan blows good without AC an runs a long time. Could you tell me what to look for?
Thanks,
Harvey

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Check the compressor capacitor. It would have gone weak. Replace with the identical value and type.

Posted on May 27, 2010

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