diff --git a/Common/Hardware/WaterMeter/MagFlux/MagFluxCore/MagFluxMeter.cs b/Common/Hardware/WaterMeter/MagFlux/MagFluxCore/MagFluxMeter.cs
index 0618e143..c60b2787 100644
--- a/Common/Hardware/WaterMeter/MagFlux/MagFluxCore/MagFluxMeter.cs
+++ b/Common/Hardware/WaterMeter/MagFlux/MagFluxCore/MagFluxMeter.cs
@@ -673,6 +673,32 @@ namespace Xylem.Common.Hardware.WaterMeter.MagFlux.MagFluxCore
             SetupFromConfigFile(slot, ignoreCorruptedData, true, true);
         }
 
+
+        /// <summary>
+        /// Copy list of flow results to <see cref="MagFlux.DataPackages.DataTypes.Calibration"/> and kick off the
+        /// writing of calibrations to MagFlux.
+        /// </summary>
+        /// <param name="results">List of flow results</param>
+        public void WriteCalibrationTestBench(List<WaterMeter.DataPackages.MeasurementRecords.FlowDeviations> results)
+        {
+            if (RequestProtocol == null) return;
+            var calibrationsCmPerH = new List<Calibration>();
+            var calibrationCmPerH = new Calibration();
+            foreach (var result in results)
+            {
+                calibrationCmPerH.refFlowRate = (Single)result.MeasuredRefFlowQmPerH;
+                calibrationCmPerH.dutFlowRate = (Single)result.MeasuredDutFlowQmPerH;
+                calibrationsCmPerH.Add(calibrationCmPerH);
+            }
+
+            RequestProtocol.SetCalibrationPoints(calibrationsCmPerH);
+        }
+
+        /// <inheritdoc/>
+        void IMeter.SetupFromConfigFile(Int32 slot, Boolean ignoreCorruptedData, Boolean useRequest, Boolean useStreaming)
+        {
+            SetupFromConfigFile(slot, ignoreCorruptedData);
+        }
         /// <summary>
         /// Setup water meter from configuration file:
         /// -slot,
@@ -1159,17 +1185,6 @@ namespace Xylem.Common.Hardware.WaterMeter.MagFlux.MagFluxCore
                 }
             }
         }
-
-        public void WriteCalibrationTestBench(List<WaterMeter.DataPackages.MeasurementRecords.FlowDeviations> results)
-        {
-            //todo: convert to CalibrationPoints in L per H
-        }
-
-        /// <inheritdoc/>
-        void IMeter.SetupFromConfigFile(Int32 slot, Boolean ignoreCorruptedData, Boolean useRequest, Boolean useStreaming)
-        {
-            SetupFromConfigFile(slot, ignoreCorruptedData);
-        }
         #endregion
     }
 }
diff --git a/Common/Ui/LegacyGenesisControl/PreAdjWr.cs b/Common/Ui/LegacyGenesisControl/PreAdjWr.cs
index c95f325d..9a7db70e 100644
--- a/Common/Ui/LegacyGenesisControl/PreAdjWr.cs
+++ b/Common/Ui/LegacyGenesisControl/PreAdjWr.cs
@@ -65,7 +65,7 @@ namespace XylemCommonUiLegacyGenCtl
                 }
                 else
                 {
-                    MessageBox.Show($"FATAL {ex.Message}");
+                    MessageBox.Show($"FATAL Ctor {ex.Message}");
                 }
 
 
@@ -167,12 +167,16 @@ namespace XylemCommonUiLegacyGenCtl
         {
             try
             {
+
+
                 if (TestsetuptContainer == null)
                 {
                     TestsetuptContainer = new TestSetupContainer();
                     TestsetuptContainer.TempSouce = Enums.TempSouceType.PtOverSps;
                     TestsetuptContainer.ProductionMode = false;
 
+                    TestsetuptContainer.meterTestSettings = new MeterTestSettings[slotCount];
+                    TestsetuptContainer.meterTestResults = new MeterTestResults[slotCount];
                 }
 
 
@@ -217,7 +221,7 @@ namespace XylemCommonUiLegacyGenCtl
                 }
                 Mode = Xylem.Common.Hardware.WaterMeter.WaterMeterCore.MeterTypes.Cordonel;
 
-                if (TestsetuptContainer.meterTestSettings.All(a => a.meterType == Xylem.Common.Hardware.WaterMeter.WaterMeterCore.MeterTypes.MagFlux))
+                if (TestsetuptContainer.meterTestSettings.Any(a => a != null && a.meterType == Xylem.Common.Hardware.WaterMeter.WaterMeterCore.MeterTypes.MagFlux))
                 {
                     Mode = Xylem.Common.Hardware.WaterMeter.WaterMeterCore.MeterTypes.MagFlux;
                 }
@@ -226,7 +230,7 @@ namespace XylemCommonUiLegacyGenCtl
             catch (Exception ex)
             {
                 _logger.Fatal(ex);
-                MessageBox.Show($"FATAL {ex.Message}");
+                MessageBox.Show($"FATAL internalPrep {ex.Message}");
             }
         }
         public void PrepareAction(Int32 slotCount, String cultureStr)
@@ -244,7 +248,7 @@ namespace XylemCommonUiLegacyGenCtl
             catch (Exception ex)
             {
                 _logger.Fatal(ex);
-                MessageBox.Show($"FATAL {ex.Message}");
+                MessageBox.Show($"FATAL EnableMeter {ex.Message}");
             }
         }
 
@@ -276,6 +280,7 @@ namespace XylemCommonUiLegacyGenCtl
                         if (item != null && item.PreAdjustment && item.meterType == MeterTypes.MagFlux)
                         {
                             var newMeter = new MagFluxMeter();
+                            newMeter.SetupFromConfigFile(item.Slot);
                             newMeter.Login();
                             newMeter.SerialNumber = item.SerialNr;
 
@@ -301,7 +306,7 @@ namespace XylemCommonUiLegacyGenCtl
                     var c = TestsetuptContainer.meterTestSettings.Count();
 
                      TestsetuptContainer.meterTestResults = new MeterTestResults[c];
-                    for (int i = 0; i <= c; i++)
+                    for (int i = 0; i < c; i++)
                     {
                         TestsetuptContainer.meterTestResults[c] = new MeterTestResults();
                         TestsetuptContainer.meterTestResults[c].Results = new List<Xylem.Common.Hardware.WaterMeter.DataPackages.MeasurementRecords.FlowDeviations>();
@@ -325,7 +330,7 @@ namespace XylemCommonUiLegacyGenCtl
             catch (Exception ex)
             {
                 _logger.Fatal(ex);
-                MessageBox.Show($"FATAL {ex.Message}");
+                MessageBox.Show($"FATAL Start Action {ex.Message}");
                 pollingAction = PollingAction.IsOnError;
             }
             finally
diff --git a/Common/Ui/MagFluxToolBox/FrmTest.cs b/Common/Ui/MagFluxToolBox/FrmTest.cs
index dfc03f21..ae972cc4 100644
--- a/Common/Ui/MagFluxToolBox/FrmTest.cs
+++ b/Common/Ui/MagFluxToolBox/FrmTest.cs
@@ -654,7 +654,7 @@ namespace Xylem.Common.Ui.MagFluxToolBox
                 return;
  
             _magFluxMeter?.WriteCalibration(_calibPointsCmPerH);
-            SetControlsDownloadIsFinished();
+            btnReadCalibration_Click(this, null);
         }
 
         private void btnAbortCalibration_Click(Object sender, EventArgs e)