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If you have used the stove for over a year, it's likely that the fan motor shaft bearings lubrication has dried out. If that's the case, you need to relubricate the shaft bearings. Use 30 weight motor oil in an oiler can with a flexible spout.
I'm sorry to say that all I get, when I try to get information from the company website, is a black screen. I'll continue to try, and get back to you.
I'm probably telling you something you already know. There are 10 reasons listed in the owners manual for the control board locking out and displaying the flashing #2. If you go to www.breckwell.com, choose your model number from the list, and click on "troubleshoot", you'll find the list of conditions and the ways to resolve your issue. I hope, for your sake, it's a wire loose. The replacement controller is over $400.