Index: sources/gui/qml/pages/treatment/TreatmentStack.qml
===================================================================
diff -u -rccb91da4becded9a7ad409b758bba96784d9feba -r679f72813050ba2ca4d9161746ef3a219b562a1c
--- sources/gui/qml/pages/treatment/TreatmentStack.qml	(.../TreatmentStack.qml)	(revision ccb91da4becded9a7ad409b758bba96784d9feba)
+++ sources/gui/qml/pages/treatment/TreatmentStack.qml	(.../TreatmentStack.qml)	(revision 679f72813050ba2ca4d9161746ef3a219b562a1c)
@@ -128,8 +128,8 @@
     }
 
     TreatmentBegin             { id:       _treatmentBegin
-        onClickedBack           : {vTreatmentCreate.doRequestPop()       }
-        onClickedStart          : {vTreatmentCreate.doStartTreatment();  }
+        onBackClicked           : {vTreatmentCreate.doRequestPop()       }
+        onStartClicked          : {vTreatmentAdjustmentUltrafiltrationInit.doAdjustment(_treatmentBegin.volume) }
     }
 
     //// Treatment Adjustment Dialogs
@@ -233,6 +233,21 @@
         }
     }
 
+    Connections { target: vTreatmentAdjustmentUltrafiltrationInit
+        onAdjustmentTriggered   : {
+            // the maximum ultrafiltration volume has to be set/revert regardless
+            vTreatmentUltrafiltration.maximum = vTreatmentAdjustmentUltrafiltrationInit.volume
+            _treatmentBegin.ufVolume          = vTreatmentAdjustmentUltrafiltrationInit.volume
+            // but only if it has been accepted it will navigate
+            if (vTreatmentAdjustmentUltrafiltrationInit.adjustment_Accepted) {
+                vTreatmentCreate.doStartTreatment()
+            }
+            else {
+                _treatmentBegin.reasonText  = vTreatmentAdjustmentUltrafiltrationInit.text()
+            }
+        }
+    }
+
     Connections { target: vTreatmentAdjustmentUltrafiltrationState
         onAdjustmentTriggered   : {
             if ( vTreatmentAdjustmentUltrafiltrationState.adjustment_Accepted ) {