Most likely the diode failed. About 5% of the time diodes fail to a ‘blown’ or open state, 95% of the time they fail in the ‘short’ or closed state. When this happens no software monitor will change a thing since the diode is actually shorting the circuit and it takes the MosFet along for the ride. Unless your software is controlling the source feed of the voltage to the coil, it will just keep drawing power until something in the load on the short circuit gives up its smoke.
I know so little about everything that I could tell you all there is to know about nothing
I know so little about everything that I could tell you all there is to know about nothing
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