Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -rba7a576375ad7bbfa0d5a879d82b8783e5182899 -r838df450f09668adbd73e61fadbff8c81fe7926e
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision ba7a576375ad7bbfa0d5a879d82b8783e5182899)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 838df450f09668adbd73e61fadbff8c81fe7926e)
@@ -38,14 +38,14 @@
 #define MAX_PRIME_TIME                          ( 10 * SEC_PER_MIN )                                ///< Maximum prime time (in seconds).
 #define PRIME_DATA_PUB_INTERVAL                 ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )           ///< Interval (ms/task time) at which the prime data is published on the CAN bus.
 
-#define BLOOD_PUMP_FLOW_RATE_PURGE_AIR          100                                                 ///< Blood pump flow rate during prime purge air state.
+#define BLOOD_PUMP_FLOW_RATE_PURGE_AIR          500                                                 ///< Blood pump flow rate during prime purge air state.
 #define BLOOD_PUMP_FLOW_RATE_CIRC_BLOOD_CIRCUIT 300                                                 ///< Blood pump flow rate during prime recirculate blood circuit state.
 
 #define DIALYSATE_PUMP_PRIME_FLOW_RATE          300                                                 ///< Dialysate pump flow rate during priming fluid path.
 #define LOAD_CELL_VOLUME_NOISE_TOLERANCE        0.05                                                ///< Allow 5% tolerance on load cell readings.
 
-#define NO_AIR_DETECTED_COUNT                   ( 10 * MS_PER_SECOND )                              ///< No air detected time period count.
-#define PURGE_AIR_TIME_OUT_COUNT                ( 30 * MS_PER_SECOND )                              ///< Time period count for purge air time out.
+#define NO_AIR_DETECTED_COUNT                   ( 20 * MS_PER_SECOND )                              ///< No air detected time period count.
+#define PURGE_AIR_TIME_OUT_COUNT                ( 60 * MS_PER_SECOND )                              ///< Time period count for purge air time out.
 #define MIN_LOAD_CELL_STEADY_VOLUME_TIME        ( 10 * MS_PER_SECOND )                              ///< Minimum time load cell reading need to remain steady in ms.
 #define PRIME_DIALYSATE_DIALYZER_TIME_LIMIT     ( 120 * MS_PER_SECOND )                             ///< Time limit for priming dialysate dialyzer circuit.
 #define PRIME_DIALYSATE_BYPASS_TIME_LIMIT       ( 120 * MS_PER_SECOND )                             ///< Time limit for priming dialysate bypass circuit.
@@ -84,6 +84,7 @@
 static U32 primeDialysateBypassStartTime;                                                       ///< Starting time of priming dialysate bypass circuit.
 static U32 previousLoadCellReading;                                                             ///< Previous load cell reading.
 static U32 loadcellSteadyVolumeStartTime;                                                       ///< Load cell steady volume starting time.
+static BOOL runBloodCircuitPrimeAgain;                                                          ///< Flag indicates HD should run blood circuit prime once more time.
 
 // ********** private function prototypes **********
 
@@ -132,6 +133,7 @@
     primeStartTime = getMSTimerCount();
     primePauseStartTime = 0;
     primeStatusBroadcastTimerCounter = 0;
+    runBloodCircuitPrimeAgain = TRUE;
 
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, TRUE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RINSEBACK, FALSE );
@@ -338,6 +340,8 @@
     setValvePosition( VBV, VALVE_POSITION_C_CLOSE );
     setValveAirTrap( STATE_OPEN );
 
+    signalDialOutPumpHardStop();
+    signalDialInPumpHardStop();
     setBloodPumpTargetFlowRate( BLOOD_PUMP_FLOW_RATE_PURGE_AIR, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
 }
 
@@ -532,7 +536,15 @@
     {
         if ( TRUE == didTimeout( loadcellSteadyVolumeStartTime, MIN_LOAD_CELL_STEADY_VOLUME_TIME ) )
         {
-            state = HD_PRIME_RESERVOIR_TWO_FILL_COMPLETE_STATE;
+            if ( TRUE == runBloodCircuitPrimeAgain )
+            {
+                runBloodCircuitPrimeAgain = FALSE;
+                state = HD_PRIME_SALINE_SETUP_STATE;
+            }
+            else
+            {
+                state = HD_PRIME_RESERVOIR_TWO_FILL_COMPLETE_STATE;
+            }
         }
     }
     else