Lennox Prodigy Playing Games RTU Not Cooling

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2024-05-18に共有
This Lennox packaged rooftop unit had a Prodigy 2.0 Unit Controller board that was acting up causing the compressors to short cycle resulting in the main breaker tripping. I have not done a lot of work with the prodigy system so common sense led me to what I found, and I confirmed it with Lennox to verify that was the problem before ordering such an expensive part.

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コメント (21)
  • Hey Rick, Love your methodical troubleshooting approach, and your take the previous guys assessment with a pinch of salt and you confirm things for yourself.
  • @Boodieman72
    Had a local tech come out to do an AC check on my home. Somehow they managed to short or do something that killed both the circuit board and the wall thermostat. Nice to see a real professional at work.
  • Satturation temps are the ssame yes...just dont forget to reset the refridgerant type on your electronic gauges. This has caused me all kinds of unnecessary grief
  • Nicely done Rick. Condemning a board is the absolute last thing on my list, whether i originally suspected it or not. You were very detailed and methodical in your approach
  • @jaymartin5095
    I had been wondering where you were. Thanks for the update. This one was interesting, eliminating everything else one by one. Then have the vendor confirm it's their board. Nice sleuthing and keeping your cool. Thanks for the education.
  • @zekenzy6486
    Great video. Thank you for sharing. Have a nice weekend. I'm so happy to see you back. I see you in next video 💯
  • @Boraxo
    That Jumper King is slick. 👍
  • @wd8557
    Nice, I'll have to put this one down in my book.
  • @johnstrh1
    any other newer guys like me watching, what he said about looking at the temps not the pressures is what really helped me a while ago. when you see 5 or 6 different refrigerants in a day going by temp is so much easier
  • Awesome diagnosis' your trouble shooting skills really make me stop and rethink of my approach to low voltage issues. Sometimes they can drive a us techs crazy. Great informative videos, stay safe.
  • Worked on AAON units where the control board controlled a bank of relays . If a contractor went bad it couldn`t take out the main board. But had the blower short cycle ,the relay would turn on the Frequency Drive then shut off . Was the coldest day in winter ,why not think was -10 ,just pulled the relay out and reinstalled it . Good to go , Got 3 back relays just in case , 13 AAON units at that location.
  • "how dare you" not release videos daily. LOL. I was ready to send search and rescue looking for the roof, rack or cooler you was stuck in. 🤣🤣🙃
  • @Dalan612
    Solid troubleshooting Rick. Thanks for the upload 🤘🏼
  • @helmsajr
    Great job Rick Lennox not my favorite unit to work on but you got it figure out.