Index: dialin/common/alarm_defs.py
===================================================================
diff -u -rdd35c2e4427612ca17937e04f9f0043e294b827c -r5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c
--- dialin/common/alarm_defs.py	(.../alarm_defs.py)	(revision dd35c2e4427612ca17937e04f9f0043e294b827c)
+++ dialin/common/alarm_defs.py	(.../alarm_defs.py)	(revision 5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c)
@@ -13,10 +13,11 @@
 # @date (original) 07-Aug-2020
 #
 ############################################################################
-from enum import Enum, unique
+from enum import unique
+from ..utils.base import DialinEnum
 
 @unique
-class AlarmList(Enum):
+class AlarmList(DialinEnum):
     ALARM_ID_NO_ALARM = 0                                          # Indication for when no alarms is a possible situation
     ALARM_ID_HD_SOFTWARE_FAULT = 1                                 # HD Software fault.  Software found itself in an unexpected state
     ALARM_ID_STUCK_BUTTON_TEST_FAILED = 2                          # Stuck button POST failure.  Stop or Off button detected to be pressed for at least 1 second during test shortly after power up
@@ -108,7 +109,7 @@
     NUM_OF_ALARM_IDS = 88                                          # Total number of alarms
 
 @unique
-class AlarmPriorities(Enum):
+class AlarmPriorities(DialinEnum):
     ALARM_PRIORITY_NONE = 0                                        # Indicates not an alarm or no alarms active at this time
     ALARM_PRIORITY_LOW = 1                                         # Low priority alarm
     ALARM_PRIORITY_MEDIUM = 2                                      # Medium priority alarm
Index: dialin/common/msg_defs.py
===================================================================
diff -u -rdd35c2e4427612ca17937e04f9f0043e294b827c -r5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c
--- dialin/common/msg_defs.py	(.../msg_defs.py)	(revision dd35c2e4427612ca17937e04f9f0043e294b827c)
+++ dialin/common/msg_defs.py	(.../msg_defs.py)	(revision 5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c)
@@ -13,12 +13,12 @@
 # @date (original) 07-Aug-2020
 #
 ############################################################################
-
+from enum import unique
 from ..protocols.CAN import DenaliMessage
-from enum import Enum, unique
+from ..utils.base import DialinEnum
 
 @unique
-class MsgIds(Enum):
+class MsgIds(DialinEnum):
     MSG_ID_UNUSED = 0                                           # Zero is an undefined (un-used) message ID)
     MSG_ID_OFF_BUTTON_PRESS = 1                                 # HD/UI off button interactions
     MSG_ID_ALARM_STATUS = 2                                     # HD broadcast of system alarm state information
@@ -183,21 +183,16 @@
     MSG_ID_HEAT_DISINFECT_RSRVR2_TO_RSRVR1_DURATION_MINS = 0xA01F    # Heat disinfection reservoir 2 to reservoir 1 duration in minutes
     MSG_ID_HEAT_DISINFECT_NO_OF_CYCLES_TO_RUN = 0xA020          # Heat disinfection number of cycles to run
     MSG_ID_HEAT_DISINFECT_PUBLISH_INTERVAL_OVERRIDE = 0xA021    # Heat disinfection data publish interval override request
-    MSG_ID_PRIMING_STATUS = 0x0037                              # The priming status
+    MSG_ID_PRIMING_STATUS = 0x43                                # The priming status
     MSG_ID_DG_SOFTWARE_RESET_REQUEST = 0xA022                   # DG reset request
     MSG_ID_HD_VALVES_SET_BLOOD_TRAP_VALVE = 0x8030              # HD valves set blood trap valve state
     MSG_ID_HD_DEBUG_EVENT = 0xFFF1                              # HD debug event text to be logged in event log
     MSG_ID_DG_DEBUG_EVENT = 0xFFF2                              # DG debug event text to be logged in event log
 
     END_OF_MSG_IDS = 0xFFF3                                     # End of system message IDs
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
-
-
 @unique
-class RequestRejectReasons(Enum):
+class RequestRejectReasons(DialinEnum):
     REQUEST_REJECT_REASON_NONE = 0
     REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE = 1
     REQUEST_REJECT_REASON_TIMEOUT_WAITING_FOR_USER_CONFIRM = 2
@@ -223,11 +218,8 @@
     REQUEST_REJECT_REASON_SALINE_BOLUS_NOT_IN_PROGRESS = 22
     NUM_OF_REQUEST_REJECT_REASONS = 23
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
 
-class MsgFldPositions():
+class MsgFldPositions:
     # Generic response msg field byte positions (where 32-bit data fields are used)
     START_POS_FIELD_1 = DenaliMessage.PAYLOAD_START_INDEX
     END_POS_FIELD_1 = START_POS_FIELD_1 + 4
Index: dialin/hd/valves.py
===================================================================
diff -u -r3f640809b83e8f5bc080ba3736d6c0719d1503df -r5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c
--- dialin/hd/valves.py	(.../valves.py)	(revision 3f640809b83e8f5bc080ba3736d6c0719d1503df)
+++ dialin/hd/valves.py	(.../valves.py)	(revision 5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c)
@@ -7,29 +7,24 @@
 from ..utils.base import _AbstractSubSystem, _publish
 from ..common import MsgIds
 from logging import Logger
-import enum
+from ..utils.base import DialinEnum
 
-class ValvesEnum(enum.Enum):
+
+class ValvesEnum(DialinEnum):
     VDI = 0
     VDO = 1
     VBA = 2
     VBV = 3
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
 
-class ValvesPositions(enum.Enum):
+class ValvesPositions(DialinEnum):
     VALVE_POSITION_NOT_IN_POSITION = 0
     VALVE_POSITION_A_INSERT_EJECT  = 1
     VALVE_POSITION_B_OPEN          = 2
     VALVE_POSITION_C_CLOSE         = 3
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
 
-class ValvesStates(enum.Enum):
+class ValvesStates(DialinEnum):
     VALVE_STATE_WAIT_FOR_POST                = 0
     VALVE_STATE_HOMING_NOT_STARTED           = 1
     VALVE_STATE_HOMING_FIND_ENERGIZED_EDGE   = 2
@@ -38,17 +33,11 @@
     VALVE_STATE_IN_TRANSITION                = 5
     VALVE_STATE_IN_BYPASS_MODE               = 6
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
 
-class AirTrapState(enum.Enum):
+class AirTrapState(DialinEnum):
     STATE_CLOSED = 0
     STATE_OPEN   = 1
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
 
 class HDValves(_AbstractSubSystem):
     """
Index: dialin/utils/base.py
===================================================================
diff -u -r8ea13ae6dd10732bfcc456798f4785c4d88c95d3 -r5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c
--- dialin/utils/base.py	(.../base.py)	(revision 8ea13ae6dd10732bfcc456798f4785c4d88c95d3)
+++ dialin/utils/base.py	(.../base.py)	(revision 5dd7c5ed8c083ac0bcfb6b224f9ca9569c96a40c)
@@ -18,6 +18,7 @@
 import os
 import logging
 import subprocess
+from enum import Enum, unique
 
 def setup_virtual_can_interface():
     """
@@ -468,3 +469,8 @@
     return _decorator
 
 
+class DialinEnum(Enum):
+
+    @classmethod
+    def has_value(cls, value):
+        return value in cls._value2member_map_