Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r1452c81e6a2f693bab96eaecb0e3dd33b2fd474e -rc8ea1e90f2ecdaffb0a8f6c909babc89e06f3cab
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 1452c81e6a2f693bab96eaecb0e3dd33b2fd474e)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision c8ea1e90f2ecdaffb0a8f6c909babc89e06f3cab)
@@ -15,10 +15,10 @@
 *
 ***************************************************************************/
 
+#include <TxDrySelfTests.h>
 #include "Buttons.h"
 #include "ModePreTreat.h"
 #include "OperationModes.h"
-#include "StatePreTxDrySelfTests.h"
 #include "TaskGeneral.h"
 #include "Timers.h"
 #include "TxParams.h"
@@ -36,7 +36,8 @@
 
 static TD_PRE_TREATMENT_MODE_STATE_T currentPreTreatmentState;              ///< Current Pre-Treatment sub-state
 static BOOL alarmActionResumeReceived;                                      ///< Flag indicates alarm action resume received.
-static U32 submodeCompleteTransitionTimeCounter;                            ///< Sub-mode completed transition wait time counter.
+static BOOL tubeSetInstallRequested;                                        ///< Request to re-enter install flow (mid-treatment / failure)
+static U32  submodeCompleteTransitionTimeCounter;                           ///< Sub-mode completed transition wait time counter.
 
 // ********** private function prototypes **********
 
@@ -154,6 +155,19 @@
 }
 
 /*********************************************************************//**
+* @brief
+* The signalPreTreatmentTubeSetInstall function signals Pre-Treatment
+* to transition to the Tube Set Install flow.
+* @details \b Inputs: none
+* @details \b Outputs: tubeSetInstallRequested flag set to TRUE
+* @return none
+*************************************************************************/
+void signalPreTreatmentTubeSetInstall( void )
+{
+    tubeSetInstallRequested = TRUE;
+}
+
+/*********************************************************************//**
  * @brief
  * The handleSelfTestDryState function performs dry self-test.
  * @details Inputs: none
@@ -172,12 +186,19 @@
 
     execDrySelfTests();
 
+    // Handle install request to failure path
+    if ( TRUE == tubeSetInstallRequested )
+    {
+        tubeSetInstallRequested = FALSE;
+        signalPreTreatmentTubeSetInstall();
+    }
+
     if ( DRY_SELF_TESTS_COMPLETE_STATE == getDrySelfTestsState() )
     {
         if ( submodeCompleteTransitionTimeCounter++ >= SUBMODE_COMPLETE_UI_TRANSITION_TIME_COUNT )
         {
             submodeCompleteTransitionTimeCounter = 0;
-            state = TD_PRE_TREATMENT_PRIME_STATE;
+            state = TD_PRE_TREATMENT_CONFIRM_RX_STATE;
 //            transitionToPrime();
         }
     }