Low
0F on Viessmann Vitodens 242-F B2UA

This is simply a notification in your boiler's history log showing that a service was recently performed and the maintenance timer was reset.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

After-service reset indicator (only in fault history)

From this model's manual
Verified against the Viessmann Vitodens 242 F B2ua installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

No action is requiredClear the notification from the display if it persists by pressing the 'OK' or 'Reset' button

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