Open-end spanner symbol — Service message present

What does Open-end spanner symbol mean?

The open-end spanner maintenance symbol on the display indicates that a service interval has elapsed. The boiler is not in fault mode and will continue to operate, but it is recommended to check for more information.

• Preset maintenance interval has elapsed.
• Routine service is due for the boiler.

Click steps to track your progress.

1. 1

   Call up the 'Live monitor' on the boiler display (refer to section 13.2.1 of your operating instructions).

2. 2

   Check the boiler's settings for the maintenance interval (refer to section 11.1.6 of your operating instructions).

3. 3

   Contact Vaillant Service Solutions or your service partner to schedule routine maintenance.