Smokefire Stealth EPX4 won't reach more than 250C/480F


 
Hopefully Weber will do the right thing, again.

Have you considered getting a different Noctua fan? Something with more air flow. I recall reading about other SmokeFire owners replacing their fans because they didn't like how loud the grill is. It' been awhile, but I think I read it on Weber's SmokeFire forums.
 
Bob Erdman said:
Hopefully Weber will do the right thing, again.

Have you considered getting a different Noctua fan? Something with more air flow. I recall reading about other SmokeFire owners replacing their fans because they didn't like how loud the grill is. It' been awhile, but I think I read it on Weber's SmokeFire forums.
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Yes I've looked for a Noctua with higher air flow. Can't find a compatible (24 V, 3000 RPM PWM, 120 mm) with higher air flow than the one I have. The max air flow on this fan is around 60 % of a stock working fan.
 
I would be surprised if someone on this forum wouldn't be able to help out with another solution to your fan problem. I would gladly send you a spare fan if I had one.
 
Hard for me to understand how lower airflow would give higher air temps in the grill. The fan is there to not only move air around (sort of like a convection oven) but also to help provide combustion air and prevent backburn during shutdown. Given that I would think lower CFM = lower combustion = lower temps.
Am I missing something here?
 
I just did an experiment: I put the two fan in series. This doesn't increase max CFM beyond the stock value, but it increases max mmH2O. The grill then won't go beyond 230 C, more or less as before I changed to Noctua. I realize that the air flow with the stock fan (or both in series) in my grill actually is too much, that it kind of kills the flame in the warm-up phase. I suspect this is a controller issue. The lower airflow of the Noctua won't blow out the flame as the stock one does, but let it go to 315. Is that plausible?
 
Hello .
My Smokefire EPX 6 only reaches 230 degrees.
Does anyone already have a solution to the problem? I have the feeling that the pellets are not being pumped in quickly enough.?
 
Axel Westerhoff said:
Hello .
My Smokefire EPX 6 only reaches 230 degrees.
Does anyone already have a solution to the problem? I have the feeling that the pellets are not being pumped in quickly enough.?
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Hi Axel, welcome to the forums. Can you tell us a bit more about the problem with your SmokeFire? The first place I would look for a problem would be with the auger. Remove it, check for a build up of pellets/dust. Second, clean out the hopper and put in fresh pellets. Check the burn pot, make sure it's not damaged or caked with ash. Good luck.

What do you cook on your SmokeFire over there in Germany? I have family in Viernheim. 🍻
 
Hello, I have a second temperature measurement in the same place where the internal temperature sensor of the Smokefire is located. I noticed that the temperature of the second sensor rises much faster and appears to be more accurate, but the temperature is then about the same. I ordered a new original temperature sensor and installed it. After installing it, it has already reached the maximum temperature three times, even with pellets that were not running before. I think if the internal temperature sensor is not working properly, this problem can occur. I hope I have found the error, so far everything looks good.
 
Interesting! Thanks for sharing.

I too have observed that the ambient probes rises much faster than the internal thermocouple. Not sure if the slow rise in the internal thermocouple is the actual measurements, or if a smoothing filter is applied in the software when displaying temperature. I did suggest a faulty internal temperature sensor to Weber support some time ago, but they said it was supposed to be that way so I didn't follow that route.
 
Axel Westerhoff said:
Hello, I have a second temperature measurement in the same place where the internal temperature sensor of the Smokefire is located. I noticed that the temperature of the second sensor rises much faster and appears to be more accurate, but the temperature is then about the same. I ordered a new original temperature sensor and installed it. After installing it, it has already reached the maximum temperature three times, even with pellets that were not running before. I think if the internal temperature sensor is not working properly, this problem can occur. I hope I have found the error, so far everything looks good.
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I got a new thermocouple on order from Weber support and will try that. Did the readings on your new thermocouple rise just as fast as the ambient probes? I too see that the internal sensor lags behind the ambient probes.
 
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