diff --git a/TestBenchFramework/BenchControl/Sequences/SequenceBase.cs b/TestBenchFramework/BenchControl/Sequences/SequenceBase.cs
index 5ef38cbc9..9d2af9537 100644
--- a/TestBenchFramework/BenchControl/Sequences/SequenceBase.cs
+++ b/TestBenchFramework/BenchControl/Sequences/SequenceBase.cs
@@ -187,7 +187,7 @@ namespace TBF.BenchControl.Sequences
 		/// Empties the tank: opens the emptying valve and measures the weight.
 		/// </summary>
 		/// <param name="drainValve">Valve to empty the tank</param>
-		/// <param name="scale">Balance underneath the tank</param>
+		/// <param name="scale">Scale underneath the tank</param>
 		/// <returns>Event.Done or Event.Error</returns>
 		protected Event DrainTheTank(IValve drainValve, IScale scale, IList<IOperation> extraOperations)
 		{
@@ -485,18 +485,18 @@ namespace TBF.BenchControl.Sequences
 							switch (step.EndCondition)
 							{
 								case StepCondition.Scale1Empty:
-									endContitionFulfilled = (StateMachine.Balance1 == null) || StateMachine.Balance1.IsEmpty();
+									endContitionFulfilled = (StateMachine.Scale1 == null) || StateMachine.Scale1.IsEmpty();
 									break;
 								case StepCondition.Scale2Empty:
-									endContitionFulfilled = (StateMachine.Balance2 == null) || StateMachine.Balance2.IsEmpty();
+									endContitionFulfilled = (StateMachine.Scale2 == null) || StateMachine.Scale2.IsEmpty();
 									break;
 								case StepCondition.Scale3Empty:
-									endContitionFulfilled = (StateMachine.Balance3 == null) || StateMachine.Balance3.IsEmpty();
+									endContitionFulfilled = (StateMachine.Scale3 == null) || StateMachine.Scale3.IsEmpty();
 									break;
 								case StepCondition.AllScalesEmpty:
-									endContitionFulfilled = ((StateMachine.Balance1 == null) || StateMachine.Balance1.IsEmpty()) &&
-															((StateMachine.Balance2 == null) || StateMachine.Balance2.IsEmpty()) &&
-															((StateMachine.Balance3 == null) || StateMachine.Balance3.IsEmpty());
+									endContitionFulfilled = ((StateMachine.Scale1 == null) || StateMachine.Scale1.IsEmpty()) &&
+															((StateMachine.Scale2 == null) || StateMachine.Scale2.IsEmpty()) &&
+															((StateMachine.Scale3 == null) || StateMachine.Scale3.IsEmpty());
 									break;
 							}
  */
@@ -772,9 +772,9 @@ namespace TBF.BenchControl.Sequences
 			sb.Append(";"); sb.Append("60");
 			sb.Append(";"); sb.Append("0");
 			sb.Append(";"); sb.Append("0");
-			sb.Append(";"); sb.Append(outPath.FlowMeter.Idx1);
+            sb.Append(";"); sb.Append((outPath != null && outPath.FlowMeter != null) ? outPath.FlowMeter.Idx1 : 0);
 			sb.Append(";"); sb.Append(" ");
-            sb.Append(";"); if (outPath.Scale != null) sb.Append(outPath.Scale.Name);
+            sb.Append(";"); sb.Append((outPath != null && outPath.Scale != null) ? outPath.Scale.Name : string.Empty);
 			sb.Append(";"); sb.Append(tstRslt.AmbTempMean);
             sb.Append(";"); sb.Append(Units.ConvertTo(Unit.mbar, tstRslt.AmbPressMean).ToString("F0"));		/// [mbar]
 			sb.Append(";"); sb.Append(tstRslt.AmbHumiMean);													/// [%]
@@ -823,10 +823,8 @@ namespace TBF.BenchControl.Sequences
 			sb.Append(";"); sb.Append(tstRslt.TestTime);		/// t
 			sb.Append(";"); sb.Append(tstRslt.ErrorMaster);		/// Eelm   . . . chyba etalonu voci komercne pravej hodnote
             sb.Append(";"); sb.Append(" ");		                /// Emass  . . . chyba druheho etalonu voci komercne pravej hodnote (teraz vynechavame)
-            sb.Append(";"); if (outPath.FlowMeter != null && outPath.FlowMeter.LtrPerPulse != 0)
-            				{
-                				sb.Append(1.0f / outPath.FlowMeter.LtrPerPulse);	/// Const.MID  . konstanta eatlonu
-            				}
+            sb.Append(";"); sb.Append((outPath != null && outPath.FlowMeter != null && outPath.FlowMeter.LtrPerPulse != 0) ? (1.0f / outPath.FlowMeter.LtrPerPulse) : 0);
+                                                                /// Const.MID  . konstanta eatlonu
             sb.Append(";"); sb.Append(" ");		                /// Const.MA . . konstanta druheho etalonu
 			sb.Append(";"); sb.Append("0");						/// Time Div Start celkovy cas v [ms]
 			sb.Append(";"); sb.Append("0");						/// Time Div Start1