Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -r1d07de4e970f54f2ae1786ef546cf5567df9ba8e -r3b7059f9225a021c5c55a3cb7874bafc2ae1eb48
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 1d07de4e970f54f2ae1786ef546cf5567df9ba8e)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 3b7059f9225a021c5c55a3cb7874bafc2ae1eb48)
@@ -24,6 +24,7 @@
 #include "ModeTreatmentParams.h"
 #include "Prime.h"
 #include "SelfTests.h"
+#include "Switches.h"
 #include "SystemCommMessages.h"
 #include "TaskGeneral.h"
 #include "Timers.h"
@@ -421,11 +422,7 @@
 {
     U32 const elapsedPrimeTimeInSecs = calcTimeSince( primeStartTime ) / MS_PER_SECOND;
 
-    if ( elapsedPrimeTimeInSecs > MAX_PRIME_TIME )
-    {
-        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_HD_PRIME_OUT_OF_TIME, elapsedPrimeTimeInSecs, MAX_PRIME_TIME );
-    }
-
+    // timeout alarm that used to trigger when max prime time elapsed was removed.
     if ( ++primeStatusBroadcastTimerCounter >= PRIME_DATA_PUB_INTERVAL )
     {
         PRIMING_DATA_PAYLOAD_T primeData;
@@ -1001,7 +998,19 @@
 static HD_PRE_TREATMENT_PRIME_STATE_T handlePrimePause( void )
 {
     HD_PRE_TREATMENT_PRIME_STATE_T state = HD_PRIME_PAUSE;
+    BOOL doorClosed  = ( STATE_CLOSED == getSwitchStatus( FRONT_DOOR ) ? TRUE : FALSE );
+    BOOL latchClosed = ( STATE_CLOSED == getSwitchStatus( PUMP_TRACK_SWITCH ) ? TRUE : FALSE );
 
+    // require front door and pump track to be closed before allowing resume
+    if ( ( TRUE == doorClosed ) && ( TRUE == latchClosed ) )
+    {
+        setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, TRUE );
+    }
+    else
+    {
+        setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, FALSE );
+    }
+
     if ( TRUE == primeResumeRequested )
     {
         primeResumeRequested = FALSE;