Index: leahi_dialin/dd/modules/pressure_sensors.py
===================================================================
diff -u -rd27c40205e18118f4689f62463a266da1f91dba6 -r17b02f26012e7378daf831057c6f62c4ecdcfff0
--- leahi_dialin/dd/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision d27c40205e18118f4689f62463a266da1f91dba6)
+++ leahi_dialin/dd/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision 17b02f26012e7378daf831057c6f62c4ecdcfff0)
@@ -56,8 +56,8 @@
             dd_enum_repository.DDPressureSensorNames.D18_PRES.name: 0.0,
             dd_enum_repository.DDPressureSensorNames.D41_PRES.name: 0.0
         }
-        if GlobalVariables.NEXT_GEN_HW:
-            self.fp_temperatures[dd_enum_repository.DDConductivitySensorNames.D87_PRES.name] = 0.0
+        if GlobalVariables().NEXT_GEN_HW:
+            self.dd_pressures[dd_enum_repository.DDPressureSensorNames.D87_PRES.name] = 0.0
 
         self.dd_pressures_timestamp = 0
 
@@ -81,7 +81,10 @@
         self.dd_pressures[dd_enum_repository.DDPressureSensorNames.D41_PRES.name] = struct.unpack('f', bytearray(
             message['message'][MsgFieldPositions.START_POS_FIELD_5:MsgFieldPositions.END_POS_FIELD_5]))[0]
 
-        if GlobalVariables.NEXT_GEN_HW:
+        if GlobalVariables().NEXT_GEN_HW:
+            if dd_enum_repository.DDPressureSensorNames.D87_PRES.name not in self.dd_pressures:
+                 self.dd_pressures[dd_enum_repository.DDPressureSensorNames.D87_PRES.name] = 0.0
+
             self.dd_pressures[dd_enum_repository.DDPressureSensorNames.D87_PRES.name] = struct.unpack('f', bytearray(
             message['message'][MsgFieldPositions.START_POS_FIELD_6:MsgFieldPositions.END_POS_FIELD_6]))[0]