E20 is displayed, the unit will not start, and an icon indicating service appears.

Safety: Unplug before maintenance.

• Perform maintenance: Clean or replace all filters, inspect and replace worn brushes, and check hoses and seals.
• Reset indicator: Some Vorwerk models allow a user reset via a button combination (consult the user manual). If not, a service center must reset the counter using diagnostic tools.
• Do not ignore: Continued use without maintenance can damage the motor and pump.