So I checked every connection on the board. It looks like it was the power supply connector after all. The positive connection wire was charred, and the male end port was melted a slight bit. Whenever I check the voltage from any part of the circuit to ground, it would start at 24 and slowly decreas...

have you checked the connection where the bed power plugs into the board. this was a big issue on 12v beds. we see alot less of it on 24v but it still has alot of power running through that small connection. the pin or socket can get a little bit of a weak connection over time. a weak connection wo...

So I have a few 24v M2's, and my oldest one's heatbed has stopped powering up. For reference, I only ever print ABS and heat the bed to 93C for every job. I checked all of the wires, fuses, power cord connectors for breaks; everything is in fine working order. Swapped out the heatbed, not the proble...