Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -r4f89cf6acdca1a537cd9d9bd851dc9dc7cf5c63a -rd7f726915d3a4a8dcd4e8c04974cfb2ccf294ce3
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 4f89cf6acdca1a537cd9d9bd851dc9dc7cf5c63a)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision d7f726915d3a4a8dcd4e8c04974cfb2ccf294ce3)
@@ -538,7 +538,10 @@
          ( DIALYSIS_UF_STATE == currentDialysisState ) && ( UF_RUNNING_STATE == currentUFState ) )
     {
         result = TRUE;
-        sendTreatmentLogEventData( UF_PAUSE_EVENT, setUFRate, 0.0 );
+        if ( setUFRate > 0.0 )
+        {
+            sendTreatmentLogEventData( UF_PAUSE_EVENT, setUFRate, 0.0 );
+        }
         // Go to UF paused state
         currentUFState = UF_PAUSED_STATE;
     }
@@ -586,7 +589,10 @@
          ( DIALYSIS_UF_STATE == currentDialysisState ) && ( UF_PAUSED_STATE == currentUFState ) )
     {
         result = TRUE;
-        sendTreatmentLogEventData( UF_START_RESUME_EVENT, 0.0, setUFRate );
+        if ( setUFRate > 0.0 )
+        {
+            sendTreatmentLogEventData( UF_START_RESUME_EVENT, 0.0, setUFRate );
+        }
         // Restart UF time accumulation for reference volume calculation
         lastUFTimeStamp = getMSTimerCount();
         // Go to UF running state