RichardM wrote:
Pics or it didn't happen.
So sorry Richard, next time I come out to a garage full of smoke I shall be sure to go get a camera and record the event before doing anything else. I will take a photo of the beans and the remains in the chaff tray later. Roaster motor and fan still working, so hopefully no permanent damage. When I got to the roaster the arduino was saying ET 320, BT 260. Beans were already cooling. Need to take the back off the roaster to check nothing melted and dangerous. Could have been far worse as the hot top has an auto eject if temperature gets too high (I also set the eject timer for approximately the right roast time). I got to it before end of cooling cycle, so fan was removing some of the heat from the roaster. Scary all the same and a salutary lesson at this time when I am trying to do half a dozen things at once.