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-rw-r--r--klippy/extras/heater_fan.py6
1 files changed, 2 insertions, 4 deletions
diff --git a/klippy/extras/heater_fan.py b/klippy/extras/heater_fan.py
index 5d2d6f44..7cbcfc2a 100644
--- a/klippy/extras/heater_fan.py
+++ b/klippy/extras/heater_fan.py
@@ -14,10 +14,8 @@ class PrinterHeaterFan:
self.heater_temp = config.getfloat("heater_temp", 50.0)
self.fan = fan.PrinterFan(config)
self.mcu = self.fan.mcu_fan.get_mcu()
- max_power = self.fan.max_power
- self.fan_speed = config.getfloat(
- "fan_speed", max_power, minval=0., maxval=max_power)
- self.fan.mcu_fan.setup_start_value(0., max_power)
+ self.fan_speed = config.getfloat("fan_speed", 1., minval=0., maxval=1.)
+ self.fan.mcu_fan.setup_start_value(0., self.fan.max_power)
def printer_state(self, state):
if state == 'ready':
pheater = self.printer.lookup_object('heater')