diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 24fc195..e6528e0 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -478,6 +478,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             self._status(self.hw_rev_data)
             self.client_watcher.start_watching()
             self.fan_update(await self.client.fan())
+            # await self.client.set_param("fan", 1)
         else:
             self.status_lbl.setText("Disconnected")
             self.fan_pwm_warning.setPixmap(QtGui.QPixmap())