Index: firmware/App/Modes/SelfTests.c
===================================================================
diff -u -r427b37ad929a8d88b5fcb9ae21a4f4146ffd2fef -rfae0fd5e204f9e2bfe8084b5e02a5e0a9def1160
--- firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision 427b37ad929a8d88b5fcb9ae21a4f4146ffd2fef)
+++ firmware/App/Modes/SelfTests.c	(.../SelfTests.c)	(revision fae0fd5e204f9e2bfe8084b5e02a5e0a9def1160)
@@ -7,8 +7,8 @@
 *
 * @file    SelfTests.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      28-Oct-2022
+* @author  (last)      Darren Cox
+* @date    (last)      08-Nov-2022
 *
 * @author  (original)  Quang Nguyen
 * @date    (original)  28-Jan-2021
@@ -755,16 +755,26 @@
 static NO_CART_SELF_TESTS_STATE_T handleNoCartSelfTestHomeSyringePumpState( void )
 {
     NO_CART_SELF_TESTS_STATE_T state = NO_CART_SELF_TESTS_HOME_SYRINGE_PUMP_STATE;
+    BOOL syringeHome = isSyringePumpHome();
+    BOOL syringeStopped = isSyringePumpStopped();
+    BOOL syringePreload = isSyringePumpPreLoaded();
 
     if ( TRUE == useHeparin )
     {
-        if ( ( isSyringePumpHome() != TRUE ) && ( TRUE == isSyringePumpStopped() ) )
+        if ( ( TRUE != syringeHome ) && ( TRUE == syringeStopped ) && ( FALSE == syringePreload ) )
         {
             retractSyringePump();
         }
+        else if ( ( TRUE == syringeHome ) && ( TRUE == syringeStopped ) && ( FALSE == syringePreload ) )
+        {
+            preloadSyringePlunger();
+        }
+        else if ( TRUE == syringePreload )
+        {
+            state = NO_CART_SELF_TESTS_PUMPS_STATE;
+        }
     }
-
-    if ( ( TRUE != useHeparin ) || ( TRUE == isSyringePumpHome() ) )
+    else
     {
         state = NO_CART_SELF_TESTS_PUMPS_STATE;
     }
@@ -1306,13 +1316,13 @@
             }
             else
             {
-                if ( TRUE == isSyringePumpHome() )
+                if ( TRUE == isSyringePumpPreLoaded() )
                 {
                     seekSyringePlunger();
                 }
                 else
                 {
-                    retractSyringePump();
+                    SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_SOFTWARE_FAULT, (U32)SW_FAULT_ID_HD_SYRINGE_NOT_PRELOADED )
                 }
             }
         }