Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -raceb6e5388e905d119c5c379bc97ced0720aa270 -r72e4c11140e7a0d186c3a6e58ef724b7e126bab8
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision aceb6e5388e905d119c5c379bc97ced0720aa270)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 72e4c11140e7a0d186c3a6e58ef724b7e126bab8)
@@ -53,6 +53,7 @@
 
 #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 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 +501,7 @@
 
     if ( TRUE == didTimeout( purgeAirTimeOutStartTime, PURGE_AIR_TIME_OUT_COUNT ) )
     {
-        activateAlarmNoData( ALARM_ID_HD_PRIME_PURGE_AIR_TIME_OUT );
+        activateAlarmNoData( ALARM_ID_HD_PRIME_SALINE_PURGE_AIR_TIME_OUT );
     }
 
     if ( AIR_TRAP_LEVEL_FLUID == getAirTrapLevel( AIR_TRAP_LEVEL_SENSOR_LOWER ) )
@@ -732,6 +733,11 @@
         state = HD_PRIME_RESERVOIR_TWO_FILL_COMPLETE_STATE;
     }
 
+    if ( TRUE == didTimeout( primeSalineDialyzerStartTime, PRIME_SALINE_DIALYZER_TIME_OUT_COUNT ) )
+     {
+         activateAlarmNoData( ALARM_ID_PRIME_SALINE_DIALYZER_TIME_OUT ); // Trigger HD prime saline dialyzer time out alarm.
+     }
+
     if ( TRUE == doesAlarmStatusIndicateStop() )
     {
         setupForPrimePause();