Hello All,
This is my second season burning corn in the m250. And I am doing a little troubleshooting, I can get more details, but my quick question is - How do you reset the firestar controller? ie. I want the default air and auger speeds as when I got it. I think I may had inadvertently changed some of the settings and I would like to go back to default.

Problem I am troubleshooting : I have the water temp set to 187 but it never reaches that temp, it does kick into medium and high settings but never hits the mark it stays around 177? My logic would say, if I am not hitting the temp I will work on 'High' until I reach it.

I did the check of the firebox temp by holding down the up and down arrows it hits upwards of 1000 degrees after 10 minutes on medium.

Please let me know your thoughts.
Thanks,
Mark

There is a soft and hard reset. The instructions are in the manual with what is reset with both. I would need to dig my manual out to give directions.

The logic for the controller isn't very exotic. It you are more than 10 degrees from the target, it goes into high mode. If less, it's in medium mode. If less than 3 degress off, low mode.

There are a lot better algorithms call PID loops that most control systems use that involve rate of change and steady-state error to correct the problem you are seeing, but it's now how this controller works.

Sounds like you have a pretty heavy steady heat load?