diff --git a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
index c02d116..034f198 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/model/PLogicDISPIM.java
@@ -1128,6 +1128,16 @@ public void setPathPreset(int side) {
             studio_.logs().showError("Couldn't set the path config " + preset + " of group " + group);
         }
     }
+
+    public void stopSPIMStateMachines() {
+        if (model_.devices().getDeviceAdapter().getMicroscopeGeometry() == GeometryType.SCAPE) {
+            scanner_.setSPIMState(ASIScanner.SPIMState.IDLE);
+        } else {
+            scanner1_.setSPIMState(ASIScanner.SPIMState.IDLE);
+            scanner2_.setSPIMState(ASIScanner.SPIMState.IDLE);
+        }
+    }
+
 }
 
 
diff --git a/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java b/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
index b623e38..3e5ddea 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
@@ -610,6 +610,7 @@ public void close() {
             //   maybe not at all since we move when we switch to setup tab, something else??)
             if (isUsingPLC) {
                 controller.cleanUpControllerAfterAcquisition(acqSettings_, true);
+                controller.stopSPIMStateMachines();
             }
 
             // Restore shutter/autoshutter to original state
@@ -1410,6 +1411,7 @@ public void close() {
         //   maybe not at all since we move when we switch to setup tab, something else??)
         if (isUsingPLC && controller != null) {
             controller.cleanUpControllerAfterAcquisition(acqSettings_, true);
+            controller.stopSPIMStateMachines();
         }
 
         // Restore shutter/autoshutter to original state