Pellet stove won't stay running

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Rymanco

New Member
Jan 23, 2018
3
Michigan
I just got a pellet stove saturday. Bought it used and got it installed Saturday evening. I am having some issues with it and I'm not sure what is going on. I believe it is a Pelpro. The model # is Fpp2bd-m. It fires up and will run for a couple hours and seems to give me fits. The feed will stop and the auger light will blink. Reset it and seems to work for a few mins and does the same. Also sometimes the pot fill start filling up faster than it can burn so I'll open damper a bit more and it seems to do better for a little while and then seems like it's burning too fast. Basically no happy medium. And then I'll get it shutting down again. I looked the manual up online and it says it will do that(stop feeding and auger light blink) when the L250 high limit switch sees 250 degrees. Could the switch be bad or not working right or is it really overheating? I'm at a loss and about to toss it in the yard lol. I'll post pics of the setup when I get back home in a couple hours
 
Not familiar with your stove, but do you have a non-contact infrared thermometer? If so it would give you an idea of the temperature and would help with trouble shooting. From what I read the switch is normally closed and opens on temp rise above 250. So you could jumper around the switch and see if it continues running. But if you do that you would have to watch the stove closely since if it is actually detecting a temp above 250 and shutting down the auger you could cause damage to the stove, or a fire, by bypassing this safety feature. Does it seem like it is overheating?

If it is detecting above 250 that could be caused by several items, fan motor bad, air flow restricted, and so on

The switches run around $20 or so, I am not one to just try replacing parts, but sometimes it is worth $20 to find out if it is the switch failed or it is detecting high temperatures. With a high limit switch it also seems a safer test than jumpering the switch, just my thoughts.
 
I have a temp gun at work. I'll bring it home tomorrow to check temps before replacing the switch. Gonna take pics of the stove in a few
 
Does the convection blower come on ?
Did you do a full cleaning before installation ?
 
I just tore it down and cleaned it for the past 2 hours. All the way down to disassembly of the fans. The pull out tray on the bottom is bolted on from factory, when I got it the bolts were missing so I just ran it that way. After looking at it a little closer that tray had a gasket around it so I found some bolts and bolted it on. Wasn't sure if it could have been sucking too much air since it wasn't sealed and tight. I just fires it back up and am waiting to see how it does. I will post an update soon
 
I just tore it down and cleaned it for the past 2 hours. All the way down to disassembly of the fans. The pull out tray on the bottom is bolted on from factory, when I got it the bolts were missing so I just ran it that way. After looking at it a little closer that tray had a gasket around it so I found some bolts and bolted it on. Wasn't sure if it could have been sucking too much air since it wasn't sealed and tight. I just fires it back up and am waiting to see how it does. I will post an update soon
Yep. The gasket is their to seal it up. You did not have enough negative pressure in the stove to really get the pellets going.

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