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Something must be going on either with my control panel or app/firmware, as after initiating shutdown tonight (although it had cooled down and done what it was supposed to do) the panel had frozen on the shutdown message and never displayed the it's now safe to turn off your Smokefire after 45 minutes. Had to just switch it off at the power switch.
Another thing I noticed during the cook (only because I was in front of it at the time) the temp was at 375F and cooking away, but the screen suddenly went blank for a second or 2 and went to the screen that you get when you first switch it on. I had to reset the temp to 375F on the dial it hadn't lost any temp, but if I hadn't been there, can't say if it wouldn't have done, before I had noticed iyswim
Yes, I did. He is aware that there are other issues with the SF being not responsive to the app and the controller going wild.I don’t know if you saw my response on that thread, nonetheless I too am in contact with Scott (K). Responded quickly and said they are looking into it.
Following...hat is one of the classic issues between PID programmers and the operators who need love with their “logic”.Yes, I did. He is aware that there are other issues with the SF being not responsive to the app and the controller going wild.
Yikes! Love beta testing in the real world! In my facility, not as bad as millions of gallons of wastewater by any means, but our conveyance systems took a ton of real world tweaking. Not PID controls but same concept from paper/program to field install.Following...hat is one of the classic issues between PID programmers and the operators who need love with their “logic”.
Off topic, but : I once ran a huge wastewater treatment plant where a PID controller was designed to distribute flows equally to four tanks. The programmers had the concept correct, except they programmed the PID to each tank to start at Zero flow at a starting balance point. Results...all input valves closed against a 20 million per day flow and slowly began to balance the flows between themselves...Result: sewage overflowing the feed channels to the tanks aNd over 1 million gallons overflowed the channels and were flowing down the entrance road and into the receiving stream across the road until an instantaneous override cancelled the program...TRUE STORY!
Moral of the story: No good program goes unpunished, and every programmer in our company had to go into the field run their own program and deal with the results. Beta testing at its best!!!
Fortunately I have never had an issue of either lock-up or lock-out, but vagaries of PID control logic, especially the no-go function of the “D” function is more than enough to muck up the output logic when dealing with the offset timing of solid fuels (pellets) compared to liquid (gaseous) fuels. Add to that WiFi input, or the lack thereof as well as delays in input feedback and you have the potential for a muck-up. But I am convinced that the smaller ex4 is less prone to those vagaries.Yikes! Love beta testing in the real world! In my facility, not as bad as millions of gallons of wastewater by any means, but our conveyance systems took a ton of real world tweaking. Not PID controls but same concept from paper/program to field install.
I think all us early adopters can agree, Weber did not beta test enough with their own test units and perhaps still is not, depends on how widespread the issue is really. I do think they need to do a better job vetting updates, maybe run multiple, long cook programs. Set a certain amount of hours in different temperature ranges as required test cycles. I ruined a prime brisket this weekend, not completely but a 1/3 of it. $78 cut. And delayed dinner with guests. It’s not like they don’t have units to test in the real world and vet these updates/parts.
This scenario seems to stem from the controller. The controller connects to the combination motherboard/IO board via canbus. That explains why when the controller locks up and flakes out the grill keeps running. All the I/O (amb probe, glow plug, fan, auger motor, pellet sensor) run into the board which at the heart of it is an ARM based microcontroller. Firmware loads into there, and software in the controller unit. I believe there is a “handshake” back to the controller at a predetermined amount of time; the microcontroller pings the controller. If it doesn’t receive that ping it goes into shutdown. I have witnessed it before when my control locked up couple months ago on a long butt cook. Right as I got to the SF (I was 7 min down the road, noticed my probe stopped showing up in app) it started shutting down. Everything was fine when power cycled and happens another time. I have a replacement controller and motherboard because of it. Similar now with what we’re seeing but the “- - -“ setpoint display and “pair Smokefire” is a key difference. I had my moment of frustration myself.
I actually think the PiD logic is working just fine, really well in fact. I’ve never had an issue with flame out or not able to reach temps since the May update, unless I just had badly forgone cleaning the firepot too long. Actually seems even better recently.Fortunately I have never had an issue of either lock-up or lock-out, but vagaries of PID control logic, especially the no-go function of the “D” function is more than enough to muck up the output logic when dealing with the offset timing of solid fuels (pellets) compared to liquid (gaseous) fuels. Add to that WiFi input, or the lack thereof as well as delays in input feedback and you have the potential for a mick-up. But I am convinced that the smaller ex4 is less prone to those vagaries.