en 14 Troubleshooting....................... 23 14.1 Power failure........................... 26 14.2 Conducting an appliance self-test ................................... 26 15 Storage and disposal............... 26 15.1 Taking the appliance out of operation ................................ 26 15.2 Disposing of old appliance .... 27 16 Customer Service..................... 27 16.1 Product number (E-Nr.) and production number (FD)......... 27 17 Technical data.......................... 27 6