Index: sources/gui/qml/pages/pretreatment/PreTreatmentDisposablesStack.qml
===================================================================
diff -u -rbd01334f257c35b96b7b232beacbcd7fae60c852 -r8d6f0d14c717e6f3eecb32b6acb4c4306d8eb608
--- sources/gui/qml/pages/pretreatment/PreTreatmentDisposablesStack.qml	(.../PreTreatmentDisposablesStack.qml)	(revision bd01334f257c35b96b7b232beacbcd7fae60c852)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentDisposablesStack.qml	(.../PreTreatmentDisposablesStack.qml)	(revision 8d6f0d14c717e6f3eecb32b6acb4c4306d8eb608)
@@ -88,10 +88,10 @@
     }
 
     Connections { target: vPreTreatmentStates
-        onSelfTestNoCartridge_startChanged  : { if ( vselfTestNoCartridge_start         ) {                                                     }}
+        onSelfTestNoCartridge_startChanged  : {                                                      /* , vselfTestNoCartridge_start      */  }
         // FW doesn't go all the time to start so the main state change should be sufficient to update the disposables stack.
-        onSelfTestNoCartridgeChanged        : { if ( vselfTestNoCartridge               ) page( _preTreatmentDisposablesSelfTest                )}
-        onInstallationChanged               : { if ( vinstallation                      ) page( _preTreatmentDisposablesCartridgeInstallation   )}
+        onSelfTestNoCartridgeChanged        : { page( _preTreatmentDisposablesSelfTest                  , vselfTestNoCartridge               )}
+        onInstallationChanged               : { page( _preTreatmentDisposablesCartridgeInstallation     , vinstallation                      )}
     }
 
     onVisibleChanged: {