diff --git a/IOB-MAN/IOBManPanel.cs b/IOB-MAN/IOBManPanel.cs
index 9cc7816e..4f6d790f 100644
--- a/IOB-MAN/IOBManPanel.cs
+++ b/IOB-MAN/IOBManPanel.cs
@@ -430,6 +430,7 @@ namespace IOB_MAN
             }
             finally
             {
+                checkRunning = false;
                 if (hasLock)
                 {
                     Monitor.Exit(_locker);
@@ -743,6 +744,7 @@ namespace IOB_MAN
 
         private void forceCheckTimer_Tick(object sender, EventArgs e)
         {
+#if false
             if (!checkRunning)
             {
                 try
@@ -755,6 +757,21 @@ namespace IOB_MAN
                     Logging.Instance.Error($"forceCheckTimer_Tick {exc}");
                 }
             }
+#endif
+
+            if (!checkRunning)
+            {
+                try
+                {
+                    Task result = Task.Run(() => checkProcessStatusAsync().ConfigureAwait(false));
+                    result.Wait();
+                }
+                catch (Exception exc)
+                {
+                    Logging.Instance.Error($"forceCheckTimer_Tick {exc}");
+                }
+            }
+
             checkWatchdog();
             // riavvio i timer x sicurezza...
             UI_Timer.Stop();
@@ -949,35 +966,19 @@ namespace IOB_MAN
         /// <param name="e"></param>
         private void MainTimer_Tick(object sender, EventArgs e)
         {
-            var hasLock = false;
-            try
+            if (!checkRunning)
             {
-                Monitor.TryEnter(_locker, ref hasLock);
-                if (!hasLock)
+                try
                 {
-                    return;
+                    //Task result = checkProcessStatusAsync();
+                    //result.Wait();
+
+                    Task result = Task.Run(() => checkProcessStatusAsync().ConfigureAwait(false));
+                    result.Wait();
                 }
-                if (!checkRunning)
+                catch (Exception exc)
                 {
-                    try
-                    {
-                        Task result = checkProcessStatusAsync();
-                        result.Wait();
-#if false
-                        await Task.Run(() => checkProcessStatusAsync()).ConfigureAwait(false);
-#endif
-                    }
-                    catch (Exception exc)
-                    {
-                        Logging.Instance.Error($"MainTimer_Tick {exc}");
-                    }
-                }
-            }
-            finally
-            {
-                if (hasLock)
-                {
-                    Monitor.Exit(_locker);
+                    Logging.Instance.Error($"MainTimer_Tick {exc}");
                 }
             }
         }