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Re: Help replace dead hotend heater (Ohm's Law and Rated Wattage)

Thanks for the reference to the PSU set-up. I have a new PSU but don't have time to test it yet.

Meanwhile, it turns out that the volts were actually changing but only at the end of the heating. The issue was that #define PID_MAX only comes into effect once it is activated (close to the desired temperature). To test from the beginning of the heating process (from 25 to 200) change #define BANG_MAX which will reduce the voltage from the start.

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