Hey guys, for some days I have issue with my temp readings. First I thought this was because of the LIN_ADVANCE firmware and the reduce baud rate but it is also with the RC7 firmware I used before without issues. Heres a pic: The temperatures jump up and down by +-3° every now and then... Also the bed it seems but not by so much, just +-0.2°. I think this must be an issue with the RUMBA itself or the firmware or the amplifiers but I remember the bed was real stable before and now it is also not... The second hotend is not a real PT100 but just a resistor simulating ~21° so... After the current print is done I want to refresh the firmware and clear the EEPROM, then I will rerun the PID tuning and see if there is anything changing... Any other suggestions?