Carrier comfort pro help

Discussion in 'Trucks [ Eighteen Wheelers ]' started by RCBeau1911, Oct 23, 2021.

  1. RCBeau1911

    RCBeau1911 Bobtail Member

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    Aug 4, 2014
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    Cant manage to get in my old account.'

    Having a issue with my Carrier Comfort pro, no codes or faults are being displayed other than a overheat sporadically every few weeks.

    the unit will run fine for hours as long as the heat or hvac is off comes on by itself to keep batteries charged. As soon as you try to run the A/C or Heat the unit shuts down after about a minute. can start it back up and not select heat or hvac and itll stay running.

    fluids are good im about 3 weeks from being home and being able to take it to a dealer was just curious if anyone had any ideas
     
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  3. jason6541

    jason6541 Road Train Member

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    Under the bunk is a capacitor that does the same thing when it goes out. Not very expensive.
     
  4. RCBeau1911

    RCBeau1911 Bobtail Member

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    I'll have to see if I can track it down and put a meter on it thank you
     
  5. jason6541

    jason6541 Road Train Member

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    I have a manual but not sure how to upload it.
     
    bzinger Thanks this.
  6. beastr123

    beastr123 Road Train Member

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    jason6541 Thanks this.
  7. RCBeau1911

    RCBeau1911 Bobtail Member

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    Aug 4, 2014
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  8. RCBeau1911

    RCBeau1911 Bobtail Member

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    Well nothing in manual trouble shooting helped. Triple checked fluids capacitor seems to be good as well. And breakers seem to be fine.
     
  9. Scoot 1971

    Scoot 1971 Light Load Member

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    Had a similar issue with mine although I didn't check to see if it happened with apu running without a/c. I only use it for hvac, rarely to keep batteries charged only.
    It would stop running after just a few minutes. It was a faulty coolant temp sensor. Mounts on top of engine like a sparkplug with an electrical connector on top. Stopped by a Carrier shop and bought a new one for $75 . It took me 5 minutes to swap out and fixes the issue. Be aware that when you remove that sensor there will be some coolant spilling out.
     
  10. RCBeau1911

    RCBeau1911 Bobtail Member

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    Awesome that's cheap enough to try thank you
     
  11. jason6541

    jason6541 Road Train Member

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    You can pull connector off and clean connector and spread out the female part of connector for a tighter fit. Mine did that I forgot about it. The connector was loose
     
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