diff --git a/printer.cfg b/printer.cfg
index b4a2f7b..4ab8fa9 100644
--- a/printer.cfg
+++ b/printer.cfg
@@ -312,15 +312,12 @@ heater: extruder
 heater_temp: 50.0
 fan_speed: 1.0
 
-[heater_fan exhaust_fan]
+[fan_generic exhaust_fan]
 #	Exhaust fan - CNC_FAN3
 pin: PF6
 max_power: 1.0
 shutdown_speed: 0.0
 kick_start_time: 5.0
-heater: heater_bed
-heater_temp: 60
-fan_speed: 1.0
 
 [multi_pin controller_fans]
 pins: PF7,PF9
@@ -492,6 +489,15 @@ gcode:
     G1 E-50 F3000
     G1 E-50 F3000
 
+[gcode_macro M106]
+gcode:
+    # P0: Part cooling fan, P3: Exhaust fan
+    {% if params.P == 0 %}
+        M106 S{ (params.S | int) }
+    {% elif params.P == 3 %}
+        SET_FAN_SPEED FAN=exhaust_fan SPEED={ (params.S | int)/255.0 }
+    {% endif %} 
+
 #*# <---------------------- SAVE_CONFIG ---------------------->
 #*# DO NOT EDIT THIS BLOCK OR BELOW. The contents are auto-generated.
 #*#