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Printer stops working because extruder's temperature control is screwed up...
I've got the JGAurora A5 (I think it's the newer version - S) couple months ago and are still playing around with settings to get better printouts. So far I've learned more and more about the machine - its parts and what's their functions, mainly via articles and tips/tricks on the internet. It's been working good (I think), until now. I did (probably) a (stupid) thing on it, and now it's not working. I tried to replace the heater block and accidentally separated the two thermometer wires. I tried to twist them together but that didn't work very well. So I had an (probably stupid) idea of soldering them (since I thought lead has melting point of ~ 327°C, so it wouldn't melt during normal PLA printing, which is ~ 195°C). But I guess the soldering temperature (probably around 400 - 500°C?) probably did some damage to the temperature sensor through the thermometer wires. After I put everything back together, now when I turn the machine on, everything seems to be normal (i.e. homing, moving up/down, etc.) until I change/raise the extruder's temperature. The display of the extruder's temperatre now shows "357/180" (I guess 357°C was the temperature that the sensor experienced during the soldering, which is around the melting point for lead). And as soon as I started changing the temperature, everything else stopped working (i.e. none of the control buttons on the display works). Btw, I unplugged the printer while I did the soldering.
Does anyone have any suggestions to fix this? Maybe if there's some way to reset the machine (to get it out the 'shocked" state?)...
Thanks in advance for your help.