Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -raceb6e5388e905d119c5c379bc97ced0720aa270 -r72ab02a2c5612b5ee178d682671b5e34d16ca3c3
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision aceb6e5388e905d119c5c379bc97ced0720aa270)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 72ab02a2c5612b5ee178d682671b5e34d16ca3c3)
@@ -7,14 +7,13 @@
 *
 * @file    Prime.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      21-Apr-2022
+* @author  (last)      Dara Navaei
+* @date    (last)      31-Aug-2022
 *
 * @author  (original)  Quang Nguyen
 * @date    (original)  08-Dec-2020
 *
 ***************************************************************************/
-
 #include "AirTrap.h"
 #include "AlarmMgmt.h"
 #include "BloodFlow.h"
@@ -52,7 +51,8 @@
 #define DIALYZER_VOLUME_SCALE_FACTOR                        0.5F                                               ///< Half of the dialyzer total volume.
 
 #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 PRIME_SALINE_DIALYZER_TIME_OUT_COUNT                ( 60 * MS_PER_SECOND )                             ///< Time period count for prime saline dialyzer time out.
+#define PURGE_AIR_TIME_OUT_COUNT                            ( 120 * MS_PER_SECOND )                            ///< Time period count for purge air time out.
 #define LOAD_CELL_STEADY_VOLUME_SAMPLING_TIME               (  1 * MS_PER_SECOND )                             ///< Time load cell reading steady state detection sampling time in seconds.
 #define PRIME_DIALYSATE_BYPASS_TIME_LIMIT                   ( 15 * MS_PER_SECOND )                             ///< Time limit for priming dialysate bypass circuit.
 #define STEADY_VOLUME_COUNT_SEC                             ( 10000 / LOAD_CELL_STEADY_VOLUME_SAMPLING_TIME )  ///< Counter must be greater than 10 seconds before steady volume is true.
@@ -500,7 +500,7 @@
 
     if ( TRUE == didTimeout( purgeAirTimeOutStartTime, PURGE_AIR_TIME_OUT_COUNT ) )
     {
-        activateAlarmNoData( ALARM_ID_HD_PRIME_PURGE_AIR_TIME_OUT );
+        SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_PRIME_SALINE_PURGE_AIR_TIME_OUT, PURGE_AIR_TIME_OUT_COUNT );
     }
 
     if ( AIR_TRAP_LEVEL_FLUID == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_LOWER ) )
@@ -732,6 +732,11 @@
         state = HD_PRIME_RESERVOIR_TWO_FILL_COMPLETE_STATE;
     }
 
+    if ( TRUE == didTimeout( primeSalineDialyzerStartTime, PRIME_SALINE_DIALYZER_TIME_OUT_COUNT ) )
+    {
+        SET_ALARM_WITH_1_U32_DATA( ALARM_ID_PRIME_SALINE_DIALYZER_TIME_OUT, PRIME_SALINE_DIALYZER_TIME_OUT_COUNT );  // Trigger HD prime saline dialyzer time out alarm.
+    }
+
     if ( TRUE == doesAlarmStatusIndicateStop() )
     {
         setupForPrimePause();