Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -rb1097bddc94beb375d65b7c51a066e22b8d28436 -r8d4bc50b9ec9758cd79cb026dd6ebe8cd69a19d8
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision b1097bddc94beb375d65b7c51a066e22b8d28436)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 8d4bc50b9ec9758cd79cb026dd6ebe8cd69a19d8)
@@ -27,6 +27,7 @@
 #include "ModeTreatmentParams.h"
 #include "NVDataMgmt.h"
 #include "OperationModes.h"
+#include "PersistentAlarm.h"
 #include "Reservoirs.h"
 #include "Rinseback.h"
 #include "RTC.h"
@@ -195,6 +196,11 @@
 
     treatmentStartTimeStamp = getRTCTimestamp();
     treatmentEndTimeStamp = 0;
+
+    // reset dialysate temperature alarm persistences prior to starting a treatment.
+    resetPersistentAlarmTimer( ALARM_ID_HD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP );
+    resetPersistentAlarmTimer( ALARM_ID_HD_DIALYSATE_TEMP_ABOVE_TARGET_TEMP );
+    resetPersistentAlarmTimer( ALARM_ID_HD_DIALYSATE_TEMP_BELOW_TARGET_TEMP );
 }
 
 /*********************************************************************//**