Viessmann · Vitodens 200-W B2HB Boiler
The boiler is in a hold/wait state because its internal temperature has exceeded a safe monitoring limit, indicating potential overheating.
Click steps to track your progress.
Allow the boiler to cool down naturally.
Check that the heating system's water pressure is within the recommended range.
Contact a qualified heating technician to check the boiler temperature sensor and ensure proper water circulation.