Nozzle Fan not working

[Max_75]

Hi,
the nozzle fan stopped working.
I tried also manually by the Control Menu in the controller, it doesn't switch on even if set to 100%.

I tried to connect the fan to the other connector (the one for the hot end body fan) and the fan rotates, so the problem is not the fan.

What should i check in to the controller to verify thet it is properly working?
Please could you provide some detailed pictures, as i am not very confident with electronics.

Thanks,

[dekes1]

Since the fan works properly when plugged into the other port, the problem is likely the motherboard. If you set the fan speed to 100% on the first layer, in whatever slicer you are using, and then start a print, does it still not come on?

[_kaktus_]

Hello.


You can use the Gcode M106 command to turn on the selected fan at any time.
Example:

Code: Select all

M106 P0 S255
M106 P1 S100
M106 P2 S200

For testing, you can try to turn off all fans using the Gcode M107 command.
Example:

Code: Select all

M107 P0
M107 P1
M107 P2

In special cases, you can use the command to switch on the fans - M106 with parameter S0. The fan will then be switched off.
Example:

Code: Select all

M106 S0
M106 P1 S0
M106 P2 S0

Parameters:
Pnnn Fan number (optional, defaults to 0)
Snnn Fan speed (0 to 255)