I had a bad print after about 15 minutes. So I stopped printing. After restarting the print, the temperature was not displayed correctly and I assumed the thermistor was defective or stripped. Good after replacing the thermistor and ceramic heating element. Same results. The temp was from 255 to 26 at the nozzle and around 115 in the layer. Even with the power off it didn't work. So I put the stock board back in and found that the board had failed. The board works great. Lost $50. Not a happy camper.
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