Fix #519

printrun/pronsole.py

@@ -418,8 +418,8 @@ class Status:
         if "T0" in temps: hotend_temp = float(temps["T0"][0])
         elif "T" in temps: hotend_temp = float(temps["T"][0])
         else: hotend_temp = None
-        if temps["T"][1]: hotend_setpoint = float(temps["T"][1])
-        elif temps["T0"][1]: hotend_setpoint = float(temps["T0"][1])
+        if "T0" in temps and temps["T0"][1] is not None: hotend_setpoint = float(temps["T0"][1])
+        elif "T" in temps and temps["T"][1] is not None: hotend_setpoint = float(temps["T"][1])
         else: hotend_setpoint = None
         if hotend_temp is not None:
             self.extruder_temp = hotend_temp

printrun/pronterface.py

@@ -1593,8 +1593,8 @@ Printrun. If not, see <http://www.gnu.org/licenses/>."""
                 if self.display_graph: wx.CallAfter(self.graph.SetExtruder0Temperature, hotend_temp)
                 if self.display_gauges: wx.CallAfter(self.hottgauge.SetValue, hotend_temp)
                 setpoint = None
-                if "T0" in temps and temps["T0"][1]: setpoint = float(temps["T0"][1])
-                elif temps["T"][1]: setpoint = float(temps["T"][1])
+                if "T0" in temps and temps["T0"][1] is not None: setpoint = float(temps["T0"][1])
+                elif temps["T"][1] is not None: setpoint = float(temps["T"][1])
                 if setpoint is not None:
                     if self.display_graph: wx.CallAfter(self.graph.SetExtruder0TargetTemperature, setpoint)
                     if self.display_gauges: wx.CallAfter(self.hottgauge.SetTarget, setpoint)