Ext Fan not going on at temp



  • Setting up a new install and the extruder fan set to the thermostat is not turning on at the set temp. The fan tests show the fans work OK. Did I set it incorrect in the config??? It's P1... Here's the Gcode:

    M106 P0 S0 I0 F500 H-1
    M106 P1 S1 I0 F500 H1:2 T45


  • Moderator

    That looks like it should work.

    Does the fan work at all? If you change it to be M106 P1 S1 I0 F500 H-1 it should turn on at full power.


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