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Hey there - I got a second rig (pellet burner) where I only need pit temperature + 2 food probes (no fan, temp control, etc). While I've build a unit for my WSM and it works great, wondering if anyone has a ready-to-go older unit they want to sell cheap as I don't have time to do another full...

Tried another fan - same issues :( Any idea which solder points I should look at?

Hey there - I have a HM 4.3 build which was working great. Then recently, seemingly at random, the fan will just stop spinning. If I unplug the cat5 cable and plug it back in (I hardwired the fan to the cat5 cable to make sure nothing else was causing issues), the fan starts again, will run...

Sorry, yes. 18.5" WSM with standard kingsford blue bag charcoal. Believe the fan is 10 cfm (50mm Delta blower, model BFB0512VHD).

Closer look (don't mind the change in meat probe temp, was just adjusting calibration):

Hello all - Doing a 18 hour pork butt cook and thinks started off very well. After 10-12 hours, temp fluctuations/oscillations started to happen. Current settings are: Bias: 4 Proportional: 2 Integral: 0.01 Derivative: 15 Fan%: 40 (I tried 75 too, no help) Bottom vents closed, top vent open...

I have a very similar issue - haven't been able to fix it. Were you able to resolve this? Would *love* to get this fixed.

Sorry - it stops when removed, but when plugged back in, starts again, even with the thermocouple removed. Will do - will look for one on amazon. Sorry - 4.2.4

more info - interestingly enough, this only happens after I plug in the thermocouple. Doesn't do it until I do. Then, it will continue to do this even after unplugging the thermocouple, and even after unplugging the CAT5 unit. It also happens when plugging the thermocouple into the main plug...

Version 20141003B

Checked that as well. Any chance a mistake on the board could cause this? Any area to look at?

I'll check this tonight. Pretty sure I do...

Hey Ralph - thanks for the quick reply - * Checked to make sure there was no forcing of the servo in - fits loosly * Loosened the servo screw and make sure there is no friction between the two bodies. * Tried many different SPD settings, starting with 800-2400. Even at this, I get the right...

I have my RD build all done and working extremely well. But after about 10 min of operation, the servo started twitching at a very regular pace. This continued overnight for another 12 hours, with the servo still working. The servo continues to work fine, but I am sure it will burn out. I've...

More info - When I read resistance over the resistors, starting at R18 (working my way down the line, starting at the resistor closest to the probe jacks) I get 116k, 10k, 10k and 5k. Also, voltage on pin 28 of the ATmega is identical to the output of R18 (think this is to be expected). At...

First off - thanks again for all your help. I really appreciate it. I have tried to re-solder R18, look for any connections in the pink area and am stumped. Hoping you guys could take a look at the pictures and see if you see anything I don't. Again - sorry if this is to amateur for this...

Just checked - I get 3.3 volts on the input but only 1.8v on the output - could the resister be bad?

Also - when I take voltage readings across the R18 resistor, I see about 1.4v, whereas the other two that are reading correctly show 0v.

I checked this today - actually measured at the probe jack. All the other ports give me 3.3v but the one in question gives me 1.88v. Any ideas?

Which resister is R18? Looked at the schematics, but didn't see it labeled...