Juan Posted May 12, 2022 Share Posted May 12, 2022 AC was working normally in my 2015 Mack CXU until a few months ago when it stopped blowing cold air. Freon is full. Don't know if it a fuse or something mechanical. Any one have experience in this? Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted May 12, 2022 Share Posted May 12, 2022 Is the compressor engaging? Paul Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted May 12, 2022 Share Posted May 12, 2022 that compressor has an internal clutch, so you cant see it spin... They suck!!.. jojo 1 Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted May 13, 2022 Share Posted May 13, 2022 with gauges hooked up, do you see pressure changes that resemble an operating a/c compressor? did you probe for power at the compressor? I think its a 3 wire plug . Any chance it works, and then freezes up, and shuts down for a bit? check for power at the pressure switches as well. sorry about all the questions, I guess I dont have enough info yet. jojo Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted May 13, 2022 Share Posted May 13, 2022 Hello, Mr. Paul... I hope all is well with you sir.. Maybe we can help Mr. Juan here?... jojo Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted May 13, 2022 Share Posted May 13, 2022 We can try Joey, I have no idea about this type of compressor However it is all loosely based on the same idea So I guess I would be trying to see if the wire to engage the compressor has power and start there If it's freezing up thats a whole different kettle of fish Paul 1 Quote Link to comment Share on other sites More sharing options...
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