Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r14d740bbb065f043daaa348bcda5f447e1c16a32 -rc28337436dce61c9ecc295d191c44628e089bf33
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 14d740bbb065f043daaa348bcda5f447e1c16a32)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision c28337436dce61c9ecc295d191c44628e089bf33)
@@ -104,6 +104,7 @@
 static BOOL bloodPrimeToDialysisRequest;                        ///< Flag indicates blood prime has completed and time to start dialysis.
 static BOOL rinsebackToRecircRequest;                           ///< Flag indicates user has requested to proceed to re-circulate sub-mode.
 static BOOL treatmentEndToRinsebackRequest;                     ///< Flag indicates user has requested final rinseback.
+static BOOL resumeBlockedByAlarm;                               ///< Flag indicates an alarm has blocked resume of this treatment.
 
 static U32 pendingParamChangesTimer;                            ///< User required to confirm UF volume change within 1 minute.
 static F32 pendingUFVolumeChange;                               ///< An ultrafiltration volume change (mL) is pending user confirmation.
@@ -158,6 +159,7 @@
     bloodIsPrimed = FALSE;
     treatmentCompleted = FALSE;
     rinsebackDone = FALSE;
+    resumeBlockedByAlarm = FALSE;
 
     treatmentTimeMS = 0;
     lastTreatmentTimeStamp = 0;
@@ -246,6 +248,19 @@
 
 /*********************************************************************//**
  * @brief
+ * The isTreatmentResumeBlocked function determines whether the treatment has
+ * seen an alarm that prevents resumption.
+ * @details Inputs: resumeBlockedByAlarm
+ * @details Outputs: none
+ * @return resumeBlockedByAlarm
+ *************************************************************************/
+BOOL isTreatmentResumeBlocked( void )
+{
+    return resumeBlockedByAlarm;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getTreatmentTimeRemainingSecs function determines the number of seconds
  * remaining in the treatment.
  * @details Inputs: presTreatmentTimeSecs, treatmentTimeMS
@@ -595,6 +610,12 @@
         activateAlarmNoData( ALARM_ID_TREATMENT_STOPPED_BY_USER );
     }
 
+    // Check if resume treatment blocked by alarm
+    if ( TRUE == doesAlarmIndicateNoResume() )
+    {
+        resumeBlockedByAlarm = TRUE;
+    }
+
     // Check dialysate temperature during treatment mode (except end state where treatment is over, dialyzer is bypassed and temp is no longer an issue)
     if ( currentTreatmentState != TREATMENT_END_STATE )
     {