it still only effects port 0

it seems that adding the f3 doesn't do anything as when I turn on what is supposed to be the tool fan nothing happens. but when I turn up the slider for that specific fan it turns on

ok problem solved my 0 port is still dead but i got the other ones working do you by chance know how to tell simplify 3d to use that fan for part cooling?

sorry i meant i think fan 0 is broke

M106 P0 S0 I0 F500 H-1
M106 P1 S1 I0 F500 H1:0 T45
M106 P2 S1 I0 F500 H1:0 T45
M106 P3 S0 I0 F500 H-1

to my knowledge port 2 is broken so i added port 3 and it only comes on for a little when the board resets

ok so I figured out how to change it but the fan doesn't stay on. when i turn the machine on it goes on for a few seconds then turns off

the fan works when plugged into a different port. do you know how to switch on another one of the sometimes on fan ports in the firmware?

its plugged into vfan the other pins are 24 I'm not sure what board I'm using all I know is its a duet wifi board.

@phaedrux 24 the cooling fan is the only thing that isn't reading 24 for some reason

part cooling fan only outputs 9 volts. is there a way to increase it to 24?