Index: dialin/common/msg_defs.py
===================================================================
diff -u -rcd9d98248537d10d9cf188307ae2237c8cf8e6e4 -rfaa74a12aa90127df9e5047e4e329d58d5eb8713
--- dialin/common/msg_defs.py	(.../msg_defs.py)	(revision cd9d98248537d10d9cf188307ae2237c8cf8e6e4)
+++ dialin/common/msg_defs.py	(.../msg_defs.py)	(revision faa74a12aa90127df9e5047e4e329d58d5eb8713)
@@ -80,7 +80,11 @@
     MSG_ID_UI_TREATMENT_END_REQUEST = 0x3C                      # UI user treatment end request
     MSG_ID_HD_TREATMENT_END_RESPONSE = 0x3D                     # HD response to user request to end treatment
     MSG_ID_HD_AIR_TRAP_DATA = 0x003E                            # HD broadcast of air trap data
-    MSG_ID_USER_UF_PAUSE_RESUME_RESPONSE = 0x3F                 # HD response to user request to pause or resume UF
+    MSG_ID_UI_ALARM_USER_ACKNOWLEDGE = 0x3F                     # UI user has acknowledged alarm
+    MSG_ID_UI_ALARM_USER_ACTION = 0x40                          # UI user has requested an alarm action
+    MSG_ID_USER_UF_PAUSE_RESUME_RESPONSE = 0x41                 # HD response to user request to pause or resume UF
+    MSG_ID_DG_CONCENTRATE_PUMP_DATA = 0x42                      # DG broadcast of concentrate pump data
+    MSG_ID_DG_PRIMING_STATUS_DATA = 0x43                        # HD priming status during cartridge prime
 
     MSG_ID_CAN_ERROR_COUNT = 0x999                              # test code in support of EMC testing