Index: firmware/App/Controllers/SyringePump.c
===================================================================
diff -u -rafe402337b84d8843c6ab544643fc403cb382c43 -r2f4f66fcceb986cc592693b08f1b57767cb1c515
--- firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision afe402337b84d8843c6ab544643fc403cb382c43)
+++ firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 2f4f66fcceb986cc592693b08f1b57767cb1c515)
@@ -8,7 +8,7 @@
 * @file    SyringePump.c
 *
 * @author  (last)      Sean Nash
-* @date    (last)      01-Dec-2022
+* @date    (last)      05-Feb-2023
 *
 * @author  (original)  Sean Nash
 * @date    (original)  04-Mar-2021
@@ -472,6 +472,18 @@
 
 /*********************************************************************//**
  * @brief
+ * The resetPreLoadStatus function resets the syringe pump pre-load status.
+ * @details Inputs: none
+ * @details Outputs: syringePumpPreLoadCompleted
+ * @return none
+ *************************************************************************/
+void resetPreLoadStatus( void )
+{
+    syringePumpPreLoadCompleted = FALSE;
+}
+
+/*********************************************************************//**
+ * @brief
  * The stopSyringePump function requests syringe pump be stopped.
  * @details Inputs: none
  * @details Outputs: syringePumpSetRate, syringePumpState, heparinDeliveryState
@@ -1392,7 +1404,6 @@
         syringePumpPlungerFound = FALSE;
         syringeVolumeAdequate = FALSE;
         syringePumpPrimeCompleted = FALSE;
-        syringePumpPreLoadCompleted = FALSE;
         syringePumpVolumeRequired = 0.0F;
         // Clear insufficient volume alarm condition in case we're retracting to allow user to resolve alarm
         clearAlarmCondition( ALARM_ID_HD_SYRINGE_PUMP_NOT_ENOUGH_HEPARIN_ALARM );
@@ -1512,10 +1523,9 @@
         syringePumpVolumeDelivered.data = 0.0;
         syringePumpSafetyVolumeDelivered = 0.0;
         syringePumpVolumeStartPosition = pos;
-        syringePumpPreLoadCompleted = FALSE;
 
-        // Check estimated syringe volume needed for treatment vs. volume detected - if insufficient for treatment needs, alarm
-        if ( syringeVol >= txVolume )
+        // Check estimated syringe volume needed for treatment vs. volume detected - if insufficient for treatment needs, alarm (check only applies in pre-tx mode)
+        if ( ( syringeVol >= txVolume ) || ( getCurrentOperationMode() != MODE_PRET ) )
         {
             syringePumpPlungerFound = TRUE;
             syringeVolumeAdequate = TRUE;
@@ -1574,7 +1584,6 @@
         syringePumpVolumeDelivered.data = 0.0;
         syringePumpSafetyVolumeDelivered = 0.0;
         syringePumpVolumeStartPosition = syringePumpPosition.data;
-        syringePumpPreLoadCompleted = FALSE;
     }
 
     // Has syringe been removed?