diff --git a/TBF/Properties/AssemblyInfo.cs b/TBF/Properties/AssemblyInfo.cs
index 01aa0a8c6..a9e2b0aed 100644
--- a/TBF/Properties/AssemblyInfo.cs
+++ b/TBF/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("3.1.1805.0")]
-[assembly: AssemblyFileVersion("3.1.1805.0")]
+[assembly: AssemblyVersion("3.1.1806.0")]
+[assembly: AssemblyFileVersion("3.1.1806.0")]
diff --git a/TBF/Rig/ControlBoard/Uni/UniCB.cs b/TBF/Rig/ControlBoard/Uni/UniCB.cs
index 029017cae..db9f1c085 100644
--- a/TBF/Rig/ControlBoard/Uni/UniCB.cs
+++ b/TBF/Rig/ControlBoard/Uni/UniCB.cs
@@ -472,14 +472,6 @@ namespace TBF.Rig.ControlBoard.Uni
         /// </summary>
         public void RunDeviceAfter()
         {
-            DateTime now = DateTime.Now;
-            if (now < lastSentTime + TimeSpan.FromSeconds(0.7) ||
-                (lastReceivedTime < lastSentTime && now < lastSentTime + TimeSpan.FromSeconds(1.7)))
-            {
-                log.Error("RunDeviceAfter() ... skipping too early write of a serial command or a data requect");
-                return;
-            }
-
             ///
             /// Combine data from the current route and from UI
             ///
diff --git a/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs b/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
index b003e1948..4c1ca9003 100644
--- a/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
+++ b/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
@@ -277,6 +277,7 @@ namespace TBF.Rig.Scales.MettlerToledo
                     if (Utils.TryParseUFloat(strValue, out fdummy)) return true;
                     break;
                 case 13:    /// Evaporation
+                    return true;
                 default:
                     message = "Invalid index";
                     return false;
diff --git a/TBF/Rig/StateMachine.cs b/TBF/Rig/StateMachine.cs
index 5e24d0287..49d25873c 100644
--- a/TBF/Rig/StateMachine.cs
+++ b/TBF/Rig/StateMachine.cs
@@ -836,7 +836,10 @@ namespace TBF.Rig
         /// <returns>true when interrupted by 'quitStateMachine', otherwise false</returns>
         public static void WaitNextTick()
         {
-            currentTimeSec += Period;
+            int currentTimeSecFromClock = Convert.ToInt32(Math.Round((DateTime.Now - startDateTime).TotalSeconds - 0.2));
+
+            currentTimeSec = Math.Max(currentTimeSec, currentTimeSecFromClock) + Period;
+
             DateTime nextTickDateTime = startDateTime + TimeSpan.FromSeconds(currentTimeSec);
 
             while (DateTime.Now < nextTickDateTime)