Index: firmware/App/Modes/BloodPrime.c
===================================================================
diff -u -r19a8bf98a7154e24c35da25225d4b55bf70ddd09 -r9bf209fc5813b7e806f51f408ece77174a336c9b
--- firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 19a8bf98a7154e24c35da25225d4b55bf70ddd09)
+++ firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 9bf209fc5813b7e806f51f408ece77174a336c9b)
@@ -91,7 +91,7 @@
 
     bloodPrimeState = BLOOD_PRIME_RAMP_STATE;
     bloodPrimeRampControlTimerCtr = 0;
-    bloodPrimePublishTimerCtr = BLOOD_PRIME_DATA_PUBLISH_INTERVAL;
+    bloodPrimePublishTimerCtr = BLOOD_PRIME_DATA_PUBLISH_INTERVAL - 2;  // setup so publish will occur time after next
     cumulativeBloodPrimeVolume_mL.data = 0.0;
     expectedBloodPrimeVolume_mL = 0.0;
     bloodPrimeTargetVolume_mL = DEFAULT_BLOOD_PRIME_VOLUME_ML;
@@ -129,6 +129,8 @@
  *************************************************************************/
 void transitionToBloodPrime( void )
 {
+    doorClosedRequired( TRUE, TRUE );
+
     // Set valves
     setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
     setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
@@ -295,7 +297,7 @@
 
         bloodPrimePublishTimerCtr = 0;
         data.targetBloodPrimeVolumeMl = bloodPrimeTargetVolume_mL;
-        data.deliveredBloodPrimeVolumeMl = getBloodPrimeVolume();
+        data.deliveredBloodPrimeVolumeMl = MAX( 0.0, getBloodPrimeVolume() );
         broadcastData( MSG_ID_HD_BLOOD_PRIME_PROGRESS, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&data, sizeof( BLOOD_PRIME_DATA_PAYLOAD_T ) );
     }
 }