Comfort Pro Apu Issues (solved)

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mitchtazz, Apr 12, 2014.

  1. mrsdkellysr

    mrsdkellysr Bobtail Member

    5
    1
    Dec 29, 2018
    0
    Have a 2 yr old comfort pro- had some issues but they were fixed. Last night after a spell of freezing rain, it got cold and started snowing and got windy. My APU was set on temp so it cycles by itself, about 10 hours after setting- APU kicks in, sounds like it’s working but I have no heat/ac/power - checked belts they are still as they should be. I am confused as my bunk control shows it’s operating but it’s not heating/cooling/power. Any ideas?
     
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  3. mrsdkellysr

    mrsdkellysr Bobtail Member

    5
    1
    Dec 29, 2018
    0
    Have a 2 yr old comfort pro- had some issues but they were fixed. Last night after a spell of freezing rain, it got cold and started snowing and got windy. My APU was set on temp so it cycles by itself, about 10 hours after setting- APU kicks in, sounds like it’s working but I have no heat/ac/power - checked belts they are still as they should be. I am confused as my bunk control shows it’s operating but it’s not heating/cooling/power. Any ideas?
     
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  5. Rom

    Rom Bobtail Member

    16
    7
    Jun 22, 2015
    0
    If the belt is intact check for power with a multimeter on AC volts scale, at bottom of generator there is a breaker with a red button, you should have 120v measured from a post on the breaker to ground (generator case). (Obviously make sure that breaker isnt popped). If you dont, best to try a test capacitor first (round cylinder looks like an oversized battery clamped up above breaker with 2 wires coming out). If you still dont have 120v your generator is bad, $1500-1600 for the part. We havent been able to find anyone to repair these to make them last more than a month or 2 so we are back to buying new ones.
     
  6. Rom

    Rom Bobtail Member

    16
    7
    Jun 22, 2015
    0
    P.S. Check for any broken wires in that area to capacitor, breaker, several grounds to case. I have seen broken wires there that will put generator out of commission.
     
  7. mrsdkellysr

    mrsdkellysr Bobtail Member

    5
    1
    Dec 29, 2018
    0
    Ok opened it up and found the other fuse (20 amp) was blown- she’s purring like a kitten again. Thanks for the pointers in this thread saved me from having to find a dealer open on NEw Years
     
  8. Rom

    Rom Bobtail Member

    16
    7
    Jun 22, 2015
    0
    Glad to hear it
     
  9. RangerGT

    RangerGT Bobtail Member

    3
    0
    Apr 9, 2019
    0
    I have a PC6012, my generator is only producing 6 volts after having starter replaced.
     
  10. WheresWaldo

    WheresWaldo Light Load Member

    109
    63
    Nov 23, 2016
    Oklahoma
    0
    Hard to say. Did you check at the outlet or generator? Condition of generator belt?
     
  11. RangerGT

    RangerGT Bobtail Member

    3
    0
    Apr 9, 2019
    0
    Checked at generator at 35 amp breaker, belt is new and tight. Was told could be capacitor, so got a new 25mfd capacitor from local HVAC business, still just 6 volts
     
  12. WheresWaldo

    WheresWaldo Light Load Member

    109
    63
    Nov 23, 2016
    Oklahoma
    0
    Usually the symptoms you see with the bad capacitor would be around 90v to around 100v. Hate to tell you this but looks like a bad generator.
     
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