Index: firmware/App/Services/AlarmMgmt.c
===================================================================
diff -u -r2dd1b02e90c90fcd94bf9b21245282205a963654 -r4dda5ae6127e3580137ebf70caf3560e3b268892
--- firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 2dd1b02e90c90fcd94bf9b21245282205a963654)
+++ firmware/App/Services/AlarmMgmt.c	(.../AlarmMgmt.c)	(revision 4dda5ae6127e3580137ebf70caf3560e3b268892)
@@ -680,6 +680,31 @@
 
 /*********************************************************************//**
  * @brief
+ * The isACPowerLost function determines whether A/C power loss has been
+ * detected.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @return TRUE if A/C power loss condition is in effect, FALSE if not
+ *************************************************************************/
+BOOL isACPowerLost( void )
+{
+    BOOL result = TRUE;
+
+    if ( ( FALSE == isAlarmConditionDetected( ALARM_ID_HD_AC_POWER_LOST ) ) &&
+         ( FALSE == isAlarmConditionDetected( ALARM_ID_HD_AC_POWER_LOST_IN_TREATMENT ) ) )
+    {
+        result = FALSE;
+    }
+    else
+    {
+        alarmsBlockedTimer = ALARM_BLOCKED_COUNT_AFTER_AC_RETURN;
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The isBloodRecircBlocked function determines whether any currently
  * active alarm is blocking blood re-circulation.
  * @details Inputs: alarmStatus