Viessmann · Vitodens 200 Boilers
The display shows "Boiler enabling," which indicates the boiler is initiating operation, but it can also signify that certain critical coding addresses might have been altered from their factory default settings.
Click steps to track your progress.
Allow the boiler some time to complete its enabling sequence.
Verify all coding addresses, especially those marked "Do not change," ensuring they are in their factory default settings.
If changes were made, power cycle the boiler (off/on) for them to take effect.