Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -rb2e2a47fef76897387c630a2508b6bc1521fff34 -r818d96fff963c707f5e2cb5aae7bf16f23e4b08a
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision b2e2a47fef76897387c630a2508b6bc1521fff34)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 818d96fff963c707f5e2cb5aae7bf16f23e4b08a)
@@ -7,8 +7,8 @@
 *
 * @file    Prime.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      21-Apr-2022
+* @author  (last)      Sean Nash
+* @date    (last)      13-Jul-2022
 *
 * @author  (original)  Quang Nguyen
 * @date    (original)  08-Dec-2020
@@ -166,6 +166,8 @@
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RINSEBACK, FALSE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_END_TREATMENT, TRUE );
 
+    doorClosedRequired( TRUE, TRUE );
+
     // Pumps should be off
     signalBloodPumpHardStop();
     signalDialInPumpHardStop();
@@ -594,7 +596,7 @@
 
             // Calculate the time out value that must passed prior to checking for the steady state volume in the reservoir
             primeDialysateDialyzerTimeLimit = (U32)( ( ( DIALYSATE_DIALYZER_TUBE_VOLUME_ML + dialyzerDialysateVolume ) * SEC_PER_MIN * MS_PER_SECOND ) / DIALYSATE_PUMP_PRIME_FLOW_RATE_ML_MIN );
-            minimumReservoirVolume = getLoadCellWeight( LOAD_CELL_RESERVOIR_2_PRIMARY );
+            minimumReservoirVolume = getLoadCellWeight( LOAD_CELL_RESERVOIR_1_PRIMARY );
             steadyVolumeCount = 0;
             steadyVolumeSamplingStartTime = getMSTimerCount();
             primeDialysateDialyzerStartTime = getMSTimerCount();