diff --git a/GWMS.UI/GWMS.UI.csproj b/GWMS.UI/GWMS.UI.csproj
index b5021d6..a368d47 100644
--- a/GWMS.UI/GWMS.UI.csproj
+++ b/GWMS.UI/GWMS.UI.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFramework>net5.0</TargetFramework>
-		<Version>1.0.2111.2514</Version>
+		<Version>1.0.2111.2515</Version>
 		<UserSecretsId>95c9f021-52d1-4390-a670-5810b7b777b0</UserSecretsId>
 		<EnableNETAnalyzers>true</EnableNETAnalyzers>
 		<RunAnalyzersDuringBuild>true</RunAnalyzersDuringBuild>
diff --git a/GWMS.UI/Pages/GasStation.razor b/GWMS.UI/Pages/GasStation.razor
index 3042242..39710ea 100644
--- a/GWMS.UI/Pages/GasStation.razor
+++ b/GWMS.UI/Pages/GasStation.razor
@@ -1,5 +1,4 @@
 @page "/GasStation"
-@page "/GasStation/{PlantCode}/{OrderCode}"
 
 @using Blazorise.Components
 @using GWMS.UI.Components
diff --git a/GWMS.UI/Pages/GasStation.razor.cs b/GWMS.UI/Pages/GasStation.razor.cs
index 6a02ee0..5aeda1e 100644
--- a/GWMS.UI/Pages/GasStation.razor.cs
+++ b/GWMS.UI/Pages/GasStation.razor.cs
@@ -68,33 +68,31 @@ namespace GWMS.UI.Pages
 
         #region Public Properties
 
-        public string BarcodeText { get; set; } = "";
 
-        [Parameter]
         public string OrderCode
         {
             get
             {
-                return BarcodeText;
+                return MessageService.SelOrderCode;
             }
             set
             {
-                BarcodeText = $"{value}";
+                MessageService.SelOrderCode = $"{value}";
             }
         }
 
-        [Parameter]
-        public string PlantCode
-        {
-            get
-            {
-                return _plantCode;
-            }
-            set
-            {
-                _plantCode = $"{value}";
-            }
-        }
+        //[Parameter]
+        //public string PlantCode
+        //{
+        //    get
+        //    {
+        //        return _plantCode;
+        //    }
+        //    set
+        //    {
+        //        _plantCode = $"{value}";
+        //    }
+        //}
 
         public int SelPlantId
         {
@@ -133,9 +131,12 @@ namespace GWMS.UI.Pages
 
         private void forceReset()
         {
-            errorDescription = "";
-            OrderCode = "";
-            NavManager.NavigateTo("GasStation");
+            InvokeAsync(() =>
+            {
+                errorDescription = "";
+                OrderCode = "";
+                NavManager.NavigateTo("GasStation");
+            });
         }
 
         /// <summary>
@@ -162,62 +163,80 @@ namespace GWMS.UI.Pages
             }
         }
 
-        protected bool isProcessing = false;
+        protected bool doProcess(string newVal)
+        {
+            bool answ = false;
+            // verifico se sia da processare il NUOVO valore (se != da precedente...)
+            answ = OrderCode != newVal;
+            return answ;
+        }
+
+        protected DateTime vetoScan = DateTime.Now;
 
         private async Task LocalReceivedBarcodeText(BarcodeReceivedEventArgs args)
         {
-            // verifico ordine e stazione siano coerenti...
+            DateTime adesso = DateTime.Now;
+            // input
             string ordCode = args.BarcodeText;
-            if (!isProcessing)
+            // non nullo
+            if (!string.IsNullOrEmpty(ordCode))
             {
-                isProcessing = true;
-                await InvokeAsync(() =>
+                // non veto...
+                if (adesso.Subtract(vetoScan).TotalMinutes > 0)
                 {
-                    OrderCode = ordCode;
-                });
-                var ordine = await DataService.OrderGetByCode(ordCode);
-                if (ordine != null)
-                {
-                    if (ordine.DtExecEnd > ordine.DtOrder)
+                    vetoScan = adesso.AddSeconds(4);
+                    if (doProcess(ordCode))
                     {
-                        errorDescription = "Errore: ordine già completato";
-                        await Task.Run(() =>
+                        await InvokeAsync(() =>
                         {
-                            Thread.Sleep(3000);
-                            forceReset();
+                            OrderCode = ordCode;
                         });
-                    }
-                    else if (ordine.PlantId != SelPlantId)
-                    {
-                        errorDescription = "Errore: ordine destinato ad altro impianto";
+                        var ordine = await DataService.OrderGetByCode(ordCode);
+                        if (ordine != null)
+                        {
+                            if (ordine.DtExecEnd > ordine.DtOrder)
+                            {
+                                errorDescription = "Errore: ordine già completato";
+                                await Task.Run(() =>
+                                {
+                                    Thread.Sleep(3000);
+                                    forceReset();
+                                });
+                            }
+                            else if (ordine.PlantId != SelPlantId)
+                            {
+                                errorDescription = "Errore: ordine destinato ad altro impianto";
 
-                        await Task.Run(() =>
+                                await Task.Run(() =>
+                                {
+                                    Thread.Sleep(3000);
+                                    forceReset();
+                                });
+                            }
+                            else
+                            {
+                                // salvo...
+                                MessageService.SelPlantId = $"{SelPlantId}";
+                                MessageService.SelOrderCode = args.BarcodeText;
+                                // rimando a pagina con  codice ordine....
+                                NavManager.NavigateTo($"GasStationLoad");
+                                //NavManager.NavigateTo($"GasStationLoad/{SelPlantId}/{args.BarcodeText}");
+                            }
+                        }
+                        else
                         {
-                            Thread.Sleep(3000);
-                            forceReset();
-                        });
-                    }
-                    else
-                    {
-                        // salvo...
-                        MessageService.SelPlantId = $"{SelPlantId}";
-                        MessageService.SelOrderCode = args.BarcodeText;
-                        // rimando a pagina con  codice ordine....
-                        NavManager.NavigateTo($"GasStationLoad");
-                        //NavManager.NavigateTo($"GasStationLoad/{SelPlantId}/{args.BarcodeText}");
+                            errorDescription = "Errore: ordine non trovato";
+                        }
                     }
                 }
-                else
-                {
-                    errorDescription = "Errore: ordine non trovato";
-                }
-                isProcessing = false;
             }
+            // verifico ordine e stazione siano coerenti...
         }
 
         private async Task ReloadAllData()
         {
             isLoading = true;
+            OrderCode = "";
             errorDescription = "";
             PlantsList = null;
             await GetClaimsData();
diff --git a/GWMS.UI/Startup.cs b/GWMS.UI/Startup.cs
index b37d07e..be0c8ac 100644
--- a/GWMS.UI/Startup.cs
+++ b/GWMS.UI/Startup.cs
@@ -132,7 +132,6 @@ namespace GWMS.UI
             string connStringRedis = Configuration.GetConnectionString("Redis");
             string redisSrvAddr = connStringRedis.Substring(0, connStringRedis.IndexOf(":"));
 
-#if FALSE
             // healthchecks
             services.AddHealthChecks()
                 .AddMySql(connStringDB, "MySql instance")
@@ -156,7 +155,6 @@ namespace GWMS.UI
                       s.SetHeaderText("GWMS Health Check Status");
                   }) 
                   .AddInMemoryStorage();
-#endif
 
             // abilitazione x email management con MailKit
             services.AddTransient<IEmailSender, MailKitEmailSender>();
@@ -235,8 +233,8 @@ namespace GWMS.UI
             services.AddDatabaseDeveloperPageExceptionFilter();
             services.AddSingleton<IConfiguration>(Configuration);
             //services.AddSingleton<GWMSDataService>();
-            services.AddTransient<GWMSDataService>();
-            //services.AddScoped<GWMSDataService>();
+            //services.AddTransient<GWMSDataService>();
+            services.AddScoped<GWMSDataService>();
             services.AddScoped<MessageService>();
         }
 
diff --git a/Resources/ChangeLog.html b/Resources/ChangeLog.html
index 07b0b69..41b3343 100644
--- a/Resources/ChangeLog.html
+++ b/Resources/ChangeLog.html
@@ -1,6 +1,6 @@
 <body>
     <i>GWMS - Gas Warehouse Management System</i>
-    <h4>Versione: 1.0.2111.2514</h4>
+    <h4>Versione: 1.0.2111.2515</h4>
     <br /> Note di rilascio:
     <ul>
         <li>
diff --git a/Resources/VersNum.txt b/Resources/VersNum.txt
index 5b5ed15..4f19d33 100644
--- a/Resources/VersNum.txt
+++ b/Resources/VersNum.txt
@@ -1 +1 @@
-1.0.2111.2514
+1.0.2111.2515
diff --git a/Resources/manifest.xml b/Resources/manifest.xml
index 18f6afa..f9a114e 100644
--- a/Resources/manifest.xml
+++ b/Resources/manifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <item>
-  <version>1.0.2111.2514</version>
+  <version>1.0.2111.2515</version>
   <url>http://nexus.steamware.net/repository/SWS/GWMS/stable/0/GWMS.UI.zip</url>
   <changelog>http://nexus.steamware.net/repository/SWS/GWMS/stable/0/ChangeLog.html</changelog>
   <mandatory>false</mandatory>