Index: leahi_dialin/dd/modules/heaters.py
===================================================================
diff -u -rc5bfcf84ed942ca5841bf9de155aa0f495b4d28d -r20c821bd230fc7689a0275a2918981669ff5cc19
--- leahi_dialin/dd/modules/heaters.py	(.../heaters.py)	(revision c5bfcf84ed942ca5841bf9de155aa0f495b4d28d)
+++ leahi_dialin/dd/modules/heaters.py	(.../heaters.py)	(revision 20c821bd230fc7689a0275a2918981669ff5cc19)
@@ -18,7 +18,7 @@
 from logging import Logger
 
 from leahi_dialin.common.constants import NO_RESET
-from leahi_dialin.common.dd_defs import dd_enum_repository
+from leahi_dialin.common import dd_enum_repository
 from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
 from leahi_dialin.common.override_templates import cmd_generic_broadcast_interval_override, cmd_generic_override
 from leahi_dialin.protocols.CAN import DenaliChannels
@@ -40,6 +40,14 @@
         self.can_interface = can_interface
         self.logger = logger
 
+        if self.can_interface is not None:
+            channel_id = DenaliChannels.dd_sync_broadcast_ch_id
+            self.msg_id_dd_heaters_data = MsgIds.MSG_ID_DD_HEATERS_DATA.value
+            self.can_interface.register_receiving_publication_function(channel_id, self.msg_id_dd_heaters_data, self._handler_heaters_sync)
+
+        self.dd_heaters_timestamp = 0.0                         #: The timestamp of the latest message
+
+        #: The Heaters data in dictionary format
         self.dd_heaters = {
             dd_enum_repository.DDHeaterNames.D5_HEAT.name: {
                 dd_enum_repository.DDHeaterAttributes.HEAT_DUTY_CYCLE.name: 0.0,
@@ -61,7 +69,7 @@
             }
         }
 
-        #Temp Heater Debugging published fields
+        # Temp Heater Debugging published fields
         self.dbg1 = 0.0
         self.dbg2 = 0.0
         self.dbg3 = 0.0
@@ -72,14 +80,7 @@
         self.dbg8 = 0.0
         self.dbg9 = 0.0
 
-        self.dd_heaters_timestamp = 0.0
-
-        if self.can_interface is not None:
-            channel_id = DenaliChannels.dd_sync_broadcast_ch_id
-            self.msg_id_dd_heaters_data = MsgIds.MSG_ID_DD_HEATERS_DATA.value
-            self.can_interface.register_receiving_publication_function(channel_id, self.msg_id_dd_heaters_data, self._handler_heaters_sync)
-
-
+        
     @publish(["msg_id_dd_heaters_data", "dd_heaters",
               "dbg1", "dbg2", "dbg3", "dbg4", "dbg5", "dbg6", "dbg7", "dbg8", "dbg9",
               "dd_heaters_timestamp"])