diff --git a/Home Connect Device/module.php b/Home Connect Device/module.php
index 3ea6536..ffac008 100644
--- a/Home Connect Device/module.php	
+++ b/Home Connect Device/module.php	
@@ -168,6 +168,16 @@ public function ReceiveData($String)
         $this->SendDebug('ReceiveData', $String, 0);
         $data = json_decode($String, true);
         switch ($data['Event']) {
+            case 'DISCONNECTED':
+                if (@IPS_GetObjectIDByIdent('OperationState', $this->InstanceID)) {
+                    // Offline device set OperationState to Inactive
+                    $this->SetValue('OperationState', 'BSH.Common.EnumType.OperationState.Inactive');
+                }
+                break;
+            case 'CONNECTED':
+                // Device comes online, request states
+                $this->refreshDeviceState($this->needsInitialization());
+                break;
             case 'STATUS':
             case 'NOTIFY':
                 $items = json_decode($data['Data'], true)['items'];