Make error detection less "all inclusive" to fix #690

diff --git a/Cura/util/machineCom.py b/Cura/util/machineCom.py
index f00875ff6b43e5ab8b64c8e2c733088e49657e92..11b4dfca359025d72f4ccc7c333781787ad44f52 100644 (file)
--- a/Cura/util/machineCom.py
+++ b/Cura/util/machineCom.py
@@ -312,7 +312,7 @@ class MachineCom(object):
                                        self._serial = serial.Serial(str(self._port), self._baudrate, timeout=2, writeTimeout=10000)
                        except:
                                self._log("Unexpected error while connecting to serial port: %s %s" % (self._port, getExceptionString()))
-               if self._serial == None:
+               if self._serial is None:
                        self._log("Failed to open serial port (%s)" % (self._port))
                        self._errorValue = 'Failed to autodetect serial port.'
                        self._changeState(self.STATE_ERROR)
@@ -334,7 +334,8 @@ class MachineCom(object):
                        if line is None:
                                break
                        
-                       #No matter the state, if we see an error, goto the error state and store the error for reference.
+                       #No matter the state, if we see an fatal error, goto the error state and store the error for reference.
+                       # Only goto error on known fatal errors.
                        if line.startswith('Error:'):
                                #Oh YEAH, consistency.
                                # Marlin reports an MIN/MAX temp error as "Error:x\n: Extruder switched off. MAXTEMP triggered !\n"
@@ -343,11 +344,10 @@ class MachineCom(object):
                                if re.match('Error:[0-9]\n', line):
                                        line = line.rstrip() + self._readline()
                                #Skip the communication errors, as those get corrected.
-                               if 'checksum mismatch' in line or 'Line Number is not Last Line Number' in line or 'No Line Number with checksum' in line or 'No Checksum with line number' in line:
-                                       pass
-                               elif not self.isError():
-                                       self._errorValue = line[6:]
-                                       self._changeState(self.STATE_ERROR)
+                               if 'Extruder switched off' in line or 'Temperature heated bed switched off' in line or 'Something is wrong, please turn off the printer.' in line:
+                                       if not self.isError():
+                                               self._errorValue = line[6:]
+                                               self._changeState(self.STATE_ERROR)
                        if ' T:' in line or line.startswith('T:'):
                                self._temp[self._temperatureRequestExtruder] = float(re.search("[0-9\.]*", line.split('T:')[1]).group(0))
                                if ' B:' in line: