Thank you for the tips, i personally operate my kamado since the beginning in that manner. The problem with overshooting/slowly creeping up temps after reaching the target temp, cant be solved that way for me. What has helped was to contact the support and explain the situation. They kindly send me a replacement unit that has the mcu-modul firmware updatet to V1.0.2 (the old one was V1.0.1). The new device works the same way until the target temp is reached, but then it shuts down the fan to zero rpm. Any view minutes it gives a really short puls to the fan and stops it fully again, that makes a large difference. The temperature of my Kamado has stopped to creep up slowly but surely, and is holding the target temp now. Im very satisfied with the new unit. The only downside is that there is no way to update the mcu firmware, like it is possible with firmware of the main modul, maybe inkbird can take this into account in feature devices.
Trying to continue this thread even if quite old 
: Iâm also having temperature overgrown issues with my Kamado Bono Grande. The adaptor fits quite nicely (even if not completelyâŚ), the unit works as expected (I attach the unit when the temperature is reached already, the fan stops venting when the target temperature is reached).
The problem is that, even if the fan is fully stopped, the temperature is rising continously, again and again. If I detach the unit and I set the main vent at minimum, manually, the temperature got stabilized.
It seems the air still flows through the unit even if the fan is off. much more that keeping the main-vent set at minimum opening.
I tried blowing gently to the bottom of the unit, and I can feel the air flowing through the output connector.
Is that normal? I would have expected no air to flow when the fan is offâŚ
See my post here: ISC-027BW missing the target temperature and go over - #9 by Tania
Operate your device in an oxygen-deprived environment so that combustion relies primarily on the controller.
In a kamado, if youâve lit too much charcoal at the start, itâs often already too late: the rate at which the temperature rises will have already caused the temperature to overshoot.
If you want the PID to manage everything properly in a kamado:
- start lighting the BBQ at least 40 minutes earlier than usual;
- close the vent-out as much as possible;
- make sure there are no leaks (gasket, vent-in, etc.);
- light only a small amount of charcoal in the initial phase;
M