Quadrafire mt vernon conv blower jam

Rich1359 Posted By Rich1359, Jan 4, 2019 at 10:32 PM

  1. Rich1359

    Rich1359
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    Jan 4, 2019
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    Looking for some assistance please. I have a quadrafire mr vernon aerial and I keep getting conv blower jammed error message. I took the blower out and cleaned it earlier today. It started up and ran for several cycles and just again the blower shut down for about 3 seconds and started back up on it's own. Previously I would unplug it and it would run when plugged back in. I am worried it will stop and not start back up again. It is my primary heat in my house. Any suggestions?
     
  2. smwilliamson

    smwilliamson
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    The unit checks for jam on the blower by measuring the resistance through the circuit, if its spinning freely, the integrated circuit board inside the is either damaged and you need a new blower or the power supply pigtail going from the board to the blower is damaged.
     
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  3. Rich1359

    Rich1359
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    Jan 4, 2019
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    Ok, I replaced the blower two years ago. Maybe it is going bad again.
     
  4. george255

    george255
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    Oct 6, 2018
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    Sounds like a defective blower, have you tried to kick start it after it stalls with a pencil, piece of wire or whatever you can get in there to spin the fan manually to see if it wants to start. If it's sitting there vibrating and shaking slightly then your blower motor is more than likely shot. It seems that after replacing the unit it would have lasted a bit longer than 2 yrs. Was the replacement an OEM or some knock off from china. How many years did you get out of the original blower?
     
  5. Rich1359

    Rich1359
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    Jan 4, 2019
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    It has been running for two days now. No idea why. It wouldn't shake or anything like that, it was just turning off. If I unplugged it and plugged it back in it would start back up. I replaced the unit with an OEM blower. The first one lasted several years. I am thinking it will run fine until it is minus 5 outside on a Friday night and then die completely. I am going to order another blower just to be on the safe side. Just wish they weren't $240.
     
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  6. george255

    george255
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    Could be worse,could be shopping around for something new for under $4000.00 Hopefully a new blower will fix the problem. Sure am glad that we're not experiencing below zero temps over here in the Pacific Northwest,It's been quite mild over here this year.
     
  7. Rich1359

    Rich1359
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    Jan 4, 2019
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    Well, it's not 5 out, but the stove just died.
     
  8. bob bare

    bob bare
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    Well,I believe stove has to be unplugged to clear that fault.Maybe take the side cover off the stove and run it,motor will runn cooler.
     
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  9. Rich1359

    Rich1359
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    Jan 4, 2019
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    I left it unplugged for about 30 minutes and it started. I thought the same thing and left the panel off.
     
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  10. bob bare

    bob bare
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    Ya.some of the manuals say stove has to be unplugged to clear that fault.From the pictures I see on the net seem strange,how many wires are in the harness plug to your motor?
     
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  11. kappel15

    kappel15
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    I would see if the drop tube thermocouple is producing millivolts, to run the conv. fan. Might be it instead of the fan. kap
     
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  12. Rich1359

    Rich1359
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    Jan 4, 2019
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    I cleaned the spot where the thermocouple attaches to the feed chute and cleaned everything else while I was at it. The fan is running now but shut off for about 2 seconds and then started back up on it's own. I found a new blower at a corner QF dealer at a pretty decent price. Should i go ahead and put it in?
     
  13. Rich1359

    Rich1359
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    Former not corner
     
  14. Rich1359

    Rich1359
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    Jan 4, 2019
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    So it looks like the new blower is a bit different in the way it mounts. My old one used a pin to hold it in place. The new on has a spring latch. I dont think there is a notch for the latch to grab on to.
     
  15. Rich1359

    Rich1359
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    Jan 4, 2019
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    Nuts, this one is for the insert model. Think I can make it work?
     
  16. george255

    george255
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    Hope it works for ya..Keep us informed about the end result.
     
  17. kappel15

    kappel15
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    If memory serves(roll of the dice), they changed mount down the road a ways on em, not just for the insert. I would check with the dealer. kap
     
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  18. Rich1359

    Rich1359
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    Jan 4, 2019
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    I took the snap hook off and it was identicle to the original. Just plugged it in, wish me luck!
     
  19. Rich1359

    Rich1359
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    Now I just have to figure out how to burn pellets. I have to run it on the corn setting with a -5 flame height. Premium pellet setting on -5 is a huge flame.
     
  20. kappel15

    kappel15
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    Have you tried the other pellet setting? I Sometimes too, run pellets on corn setting as it is the slowest feed. And I also have to run on-5 with my corn. kap
     
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  21. Rich1359

    Rich1359
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    Isn't the utility grade pellet setting the fastest feed rate? The stove started...now to see what happens
     
  22. Rich1359

    Rich1359
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    Well, that didn't work. It keeps shutting off. What else could it be??
     
  23. bob bare

    bob bare
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  24. kappel15

    kappel15
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    Drop tube thermcouple
     
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  25. Rich1359

    Rich1359
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    Jan 4, 2019
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    At about 11:30 last night I found some sandpaper and really cleaned where the drop tube tc attaches with the wing nut. It started up and ran last night and all day today. Fingers crossed that this fixed it! I originally just scraped the area with a screwdriver but going back to what Kap said about cleaning that spot, I really cleaned it good.
     
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