TEVO Black Widow Fanduct

by Florisb Dec 12, 2016
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Using this model, i receive the error "Thermal Runaway, system stopped".
You have such an error occurs?

I also got thermal run away. Somehow my duct cooled the heater block so it never could reach the commanded temp.

All the time. Not sure if the known fire hazards prompted Tevo to change the configuration_adv.h file in the Marlin, but the source code now triggers this when a slight change in temperature over a short period happens.

Unfortunately, you need to get into the weeds with Arduino IDE and the Marlin source but you can change these settings really easy. I did and my BW works fine now.

I recommend you email them for the Community Guide PDF which you should have received when you bought the printer. This will get you started with uploaded code changes to the board.