diff --git a/Modules/Mainframe/TMs/Routines/TMSlitValveRoutine.cs b/Modules/Mainframe/TMs/Routines/TMSlitValveRoutine.cs
index 7b9d96b0..8c803fe9 100644
--- a/Modules/Mainframe/TMs/Routines/TMSlitValveRoutine.cs
+++ b/Modules/Mainframe/TMs/Routines/TMSlitValveRoutine.cs
@@ -217,17 +217,17 @@ namespace SicModules.TMs.Routines
 
                     if (isAtmMode)
                     {
-                        //if (_pmPT1.FeedBack < atmBase)
-                        //{
-                        //    EV.PostWarningLog(Module, $"can not open slit valve, running in ATM mode, but {_paramTarget} not in ATM");
-                        //    return Result.FAIL;
-                        //}
+                        if (_pmPT1.FeedBack < atmBase)
+                        {
+                            EV.PostAlarmLog(Module, $"can not open slit valve, running in ATM mode, but {_paramTarget} not in ATM");
+                            return Result.FAIL;
+                        }
                     }
                     else
                     {
                         if (_pmPT1.FeedBack > vacBase)
                         {
-                            EV.PostWarningLog(Module, $"can not open slit valve, {_paramTarget} not in vacuum");
+                            EV.PostAlarmLog(Module, $"can not open slit valve, {_paramTarget} not in vacuum");
                             return Result.FAIL;
                         }
                     }