diff --git a/components/modales/kueModal/KueModal.jsx b/components/modales/kueModal/KueModal.jsx
index b4b6349..ffa0051 100644
--- a/components/modales/kueModal/KueModal.jsx
+++ b/components/modales/kueModal/KueModal.jsx
@@ -7,6 +7,7 @@ import "bootstrap-icons/font/bootstrap-icons.css"; // Import Bootstrap Icons
 import handleSave from "./handlers/handleSave";
 import handleDisplayEinschalten from "./handlers/handleDisplayEinschalten";
 import handleChange from "./handlers/handleChange";
+import firmwareUpdate from "./handlers/firmwareUpdate";
 
 function decodeToken(token) {
   try {
@@ -21,8 +22,8 @@ function decodeToken(token) {
 function KueModal({ showModal, onClose, slot, onModulNameChange }) {
   const [isAdmin, setIsAdmin] = useState(false);
   const dispatch = useDispatch();
-  const [ids, setIds] = useState(Array(32).fill("---"));
-  const [bezeichnungen, setBezeichnungen] = useState(Array(32).fill("---"));
+  const [ids, setIds] = useState(Array(32).fill(""));
+  const [bezeichnungen, setBezeichnungen] = useState(Array(32).fill(""));
   const [isolationsgrenzwerte, setIsolationsgrenzwerte] = useState(
     Array(32).fill(10.0)
   );
@@ -242,7 +243,10 @@ function KueModal({ showModal, onClose, slot, onModulNameChange }) {
       <div className="flex justify-end bg-gray-100 p-4 rounded-b-lg">
         {/* Bedingte Anzeige der Firmware-Update-Schaltfläche */}
         {isAdmin && (
-          <button className="bg-littwin-blue text-white p-2 rounded flex items-center mr-2">
+          <button
+            onClick={() => firmwareUpdate(slot)}
+            className="bg-littwin-blue text-white p-2 rounded flex items-center mr-2"
+          >
             Firmware Update
           </button>
         )}
diff --git a/components/modales/kueModal/handlers/firmwareUpdate.js b/components/modales/kueModal/handlers/firmwareUpdate.js
new file mode 100644
index 0000000..d7e8df1
--- /dev/null
+++ b/components/modales/kueModal/handlers/firmwareUpdate.js
@@ -0,0 +1,16 @@
+const firmwareUpdate = (slot) => {
+  const url = `${window.location.origin}/CPL?/kabelueberwachung.html&KSU${slot}=1`;
+  fetch(url, { method: "GET" })
+    .then((response) => {
+      if (response.ok) {
+        alert(`Update an ${slot + 1} erfolgreich gestartet!`);
+      } else {
+        alert("Fehler beim Update!");
+      }
+    })
+    .catch((error) => {
+      console.error("Fehler:", error);
+      alert("Fehler beim Update!");
+    });
+};
+export default firmwareUpdate;