Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r8ddb7d51e6ab02591cb1c5692f62cfdf26ec7866 -re44aad7a9d5fa48aeaa55c65bd28ad9acde6ce05
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 8ddb7d51e6ab02591cb1c5692f62cfdf26ec7866)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision e44aad7a9d5fa48aeaa55c65bd28ad9acde6ce05)
@@ -567,13 +567,12 @@
             else
             {
                 signalCANXmitsCompleted();
-                // TODO - shouldn't get here, but let's see if we do
-                SET_ALARM_WITH_1_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, (U32)mBox )
+                SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, SW_FAULT_ID_CAN_TX_FAULT, (U32)mBox )
             }
         }
         else
-        {   // TODO - shouldn't get here - just testing - set first data to new s/w fault enum later
-            SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, (U32)buffer, (U32)dataSize )
+        {
+            SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, SW_FAULT_ID_INVALID_CAN_MESSAGE_SIZE, (U32)dataSize )
         }
     }
 
@@ -839,9 +838,7 @@
     if ( TRUE == didTimeout( timeOfLastHDCheckIn, HD_COMM_TIMEOUT_IN_MS ) )
     {
         hdIsCommunicating = FALSE;
-#ifndef DEBUG_ENABLED
-        activateAlarmNoData( ALARM_ID_HD_COMM_TIMEOUT );  // TODO - add this alarm if we're in middle of a treatment? or if in a mode that comm loss would impact badly?
-#endif
+        activateAlarmNoData( ALARM_ID_HD_COMM_TIMEOUT );
     }
 }
 
@@ -1274,6 +1271,10 @@
                 handleSetFluidLeakStateDetectorOverrideRequest( message );
                 break;
 
+            case MSG_ID_FILTER_FLUSH_TIME_PERIOD_OVERRIDE:
+                handleFilterFlushTimePeriodOverride(message);
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;