Siemens SIMATIC KP400 Comfort Operating Instructions Manual page 100

Commissioning the device
4.4 Configuring the device
3. Use "Reboot" to start the selection process for restart the HMI device.
4. To restart the HMI device, press "Reboot".
5. To set the HMI device to the mode for bootstrapping, press "Prepare for Restart".
6. To cancel the restart of the HMI device, press "NO".
Result
The HMI device restarts.
If you select "Prepare for Reset", you can reset the HMI device to factory settings with
ProSave or WinCC. If you do not reset the HMI device to the factory settings, the HMI device
restarts after 10 minutes.
Further information on this can be found in the section "Updating the operating system of the
HMI device (Page 147)".
See also
Reference for functions (Page 79)
100
The following alarm is displayed:
All unsaved data are lost when you reboot.
Operating Instructions, 03/2012, A5E03404994-02
Comfort Panels