This is an on going problem. This stove will only start on high. It doesn't drop enough pellets on low or medium to get it hot enough to start the drop more pellets mode. I'm assuming it is because it's not getting hot enough. I switch to high when it started to go out and it drops more pellets and away it goes. Is it maybe the thermocouple?
Quadrafire CB 1200
- Thread starter Spaz
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When I started it this morning, from the start it was running and blowing with in 20 minutes. On medium at 13 minutes it hadn't dropped any more pellets and was going out. Switched to high and away it went. ( That was last night) Hope that helps.
ARC
Minister of Fire
Have you tried to adjust the feed rate, inside hopper? Have you ever cleaned out hopper of fines and dust?
![[Hearth.com] Quadrafire CB 1200](https://www.hearth.com/talk/attachments/1728736234755-webp.330621/ "[Hearth.com] Quadrafire CB 1200")
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It sounds like the proof of fire switch is not working or is very dirty the "thermocouple"
Super thanks. When it's gets empty I'm running with the "open the feed" first.
And yes the stove was completely cleaned in May. And this is only bag 3 this year.
Okay thanks. I'm also believing that it could be dust in the pellets although with these pellets haven't had any complaints from any one else. Are these models known for getting jammed up by dust? As I mentioned earlier the stove was completely clean at the end of the season this is bag 3 of this year. I've also seen posts where people couldn't get it to fire up on low, because of low flow in start up.
ARC
Minister of Fire
I decided to try and recreate the issue. I started on medium to see how the pellets dropped and it was 5 out 5 successful starts. So that eliminates a lack of pellets getting to the pot. I did get close to the bottom of pellet bin and I have posted a picture of the contents. Perhaps some one can tell me what there thoughts are regarding dust in the pellets.
jintoreedwine
Member
I just installed a branch new CB1200-C and am having a very similar sounding issue. Since the stove is brand new, everything is completely clean. Before installing the stove the entire chimney was cleaned as well. As far as I can tell, it just doesn't seem like the stove drops in enough pellets on Low or Medium. I adjusted the stove per the manual "4 to 6 inches above the fire pot" on the high burn mode and it doesn't seem to make any difference.
OP, if you happen to to have any pictures of your burn pot after the ignition fails, it would be interesting to compare notes.
Attached is a picture of my burn pot after a failed ignition:
![[Hearth.com] Quadrafire CB 1200](https://www.hearth.com/talk/attachments/cb1200cburnpotfailedignition-jpg.330768/ "[Hearth.com] Quadrafire CB 1200")
OP, if you happen to to have any pictures of your burn pot after the ignition fails, it would be interesting to compare notes.
Attached is a picture of my burn pot after a failed ignition:
Mine actually burn, but go out before the second stage kicks in. Mines also a year old. And I'm on try # 6 and it's still working.
As for your picture, either the pellets are wet or junk. Or the ignitor isn't getting hot enough. That amount looks about right for start up. Mine smokes like crazy for about 30 seconds then away it goes. Maybe post the type of pellets your using and some one can comment and their quality.
jintoreedwine
Member
Earlier this afternoon I tested my theory about there simply not being enough pellets. I pressed reset without clearing the pellets that didn't burn on the first ignition and as you say they "smoked like crazy" and then lit.
As far as the quality of the pellets, it is always possible that they are bad but once the stove is burning, they burn very well. The pellets are: "American Wood Fibers Ultra Premium Softwood Pellets". I burned them for several years in my previous stove (Englander 25-PDV) and had no issues or failed ignitions. One interesting attribute of these pellets is that they are not very long -- I wonder if they are are getting blown away from the igniter or something.
It would be nice if the CB1200 had an additional setting to add more pellets just on start-up or something. I have done a fair amount of reading about this stove and have not come across any adjustments for it as far as pellet feed other than the adjustment rod that exists in the hopper.
jintoreedwine
Member
Thank you, I will verify my stove's settings tomorrow and see about enabling the +10% mode.
And just to follow up, mine hasn't failed to start up since I started my testing on medium. Sounds like I need a technician to look into mine. A sudden stoppage at 3am on a 10 degree day proves to be very chilly.
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jintoreedwine
Member
It appears to be in the pellet hopper on the right hand side (as you look at the front of the stove) underneath a cover to keep pellets/dust out. I was busy with work today and did not have a chance to look at mine -- but I did find this YouTube video that shows the control board being replaced on an older iteration of the CB1200:
At the moment, with my stove set to High burn mode it starts every time and runs well -- I still want to troubleshoot why it doesn't start on Low or Medium -- but at least it will keep the house warm while I'm at work for the time being. I will report back once I've had time to play around with the stove more.
I finally got a no start on medium. First the remote failed for no none reason. (Battery was fine) Once I simple popped the battery cover off and put it back on it came to life. I then started it by putting it on the thermostat 74 degrees. It dumped pellets and that was it. Same results fire also went out and I reset it and away it went.
Ssyko
Minister of Fire
Dust will have little to no affect on that stove,, its either the feed rate or a weak POF snap disc. I had the cb100 running for 22 years. now its in a new home for the last 4 years still cruzzzzin
ARC
Minister of Fire
Have you tried to adjust feed rate as suggested in post 3 of this thread.
https://www.hearth.com/talk/threads/quadrafire-cb-1200.204858/post-2737572
https://www.hearth.com/talk/threads/quadrafire-cb-1200.204858/post-2737572
Have Quads changed? No POF switch, thermocouple senses ignition and continues feed after startup. I'm wondering, on high is flame an average of 4-6" above top of burnpot? If not, feed rate is off, poor pellets, control box on wrong setting, stove might not be fully cleaned out. Seen other weird stuff too, auger motor not working properly, slipping etc. If control board still has lights for TC, has light for 200 degree and 600 degree burnpot temp. Thermocouple should be about 1.5 inches extending out into burnpot, make sure thermocouple pushed out and stays at end of thermocouple tube. If pellets are suspect, try another brand. Good luck, the CB1200 is a simple but very effective heating stove.
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