diff --git a/CMS_CORE_Library/S7Net/Nc_S7Net.cs b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
index 93241fd..86b2f07 100644
--- a/CMS_CORE_Library/S7Net/Nc_S7Net.cs
+++ b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
@@ -2713,11 +2713,16 @@ namespace CMS_CORE_Library.S7Net
                     }
                     else
                     {
-                        ThermoWarmChannels.Add(i + 1, new ThermoModels.WarmerChannel()
+                        try
                         {
-                            IdChannel = i + 1,
-                            CurrAct = currVal
-                        });
+                            ThermoWarmChannels.Add(i + 1, new ThermoModels.WarmerChannel()
+                            {
+                                IdChannel = i + 1,
+                                CurrAct = currVal
+                            });
+                        }
+                        catch
+                        { }
                     }
                 }
             }