Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -rf9570a9717805d0759622da836a33ee04f3fa40f -rf9a866abfc44db38c01cb795fea894cce1042eec
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision f9570a9717805d0759622da836a33ee04f3fa40f)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision f9a866abfc44db38c01cb795fea894cce1042eec)
@@ -7,8 +7,8 @@
 *
 * @file    Prime.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      26-Aug-2022
+* @author  (last)      Dong Nguyen
+* @date    (last)      27-Sep-2022
 *
 * @author  (original)  Quang Nguyen
 * @date    (original)  08-Dec-2020
@@ -52,6 +52,7 @@
 #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 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.
@@ -142,11 +143,10 @@
  *************************************************************************/
 void initPrime( void )
 {
-    currentPrimeState = HD_PRIME_START_STATE;
-    currentReservoirMgmtState = PRIME_RESERVOIR_MGMT_START_STATE;
-
-    primeStartTime = 0;
-    primePauseStartTime = 0;
+    currentPrimeState                = HD_PRIME_START_STATE;
+    currentReservoirMgmtState        = PRIME_RESERVOIR_MGMT_START_STATE;
+    primeStartTime                   = 0;
+    primePauseStartTime              = 0;
     primeStatusBroadcastTimerCounter = 0;
 
 }
@@ -500,7 +500,7 @@
 
     if ( TRUE == didTimeout( purgeAirTimeOutStartTime, PURGE_AIR_TIME_OUT_COUNT ) )
     {
-        activateAlarmNoData( ALARM_ID_HD_PRIME_SALINE_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();