@CrashWidget As above but actually, you'll find that overall heat up time will be drastically reduced (improved) if you move the thermistor - (ideally fit it into hole in the edge off the plate, close to the upper surface). The reason being that when the sensor is close to the heating element, there is a rapid rise in temperature at that point. The heating algorithm will "see" that high temperature and turn the heater off. Then there will be delay for it to cool before the heater turns on again. That on-off-on cycle repeats until the plate eventually reaches print temperature. If you move the sensor as I suggest, then you won't get that on-off-on cycle - the heater will simply turn fully on until the temperature gets close to the set point when the PWM will start.
