Viessmann Vitodens 200-W Series B2HB Technical Manual
![Viessmann Vitodens 200-W Series B2HB Boiler manual cover](/images/NNvnahbdrOqvzCvnDNMHuyyr/thumbs/thumb175x175.webp)
To reset the Viessmann Vitodens 200-W boiler, press the "Reset" button on the control panel. Hold it for 3 seconds until the display indicates the reset process has started.
Ensure that the gas supply is turned on and that there are no obstructions in the flue. Check the error code on the display and consult the manual for specific troubleshooting steps.
It is recommended to service the Vitodens 200-W boiler annually by a qualified technician to ensure optimal performance and safety.
The F4 error code indicates an ignition failure. Check the gas supply and the ignition electrode. If the problem persists, contact a certified technician.
Use the control panel to navigate to the temperature settings. Adjust the desired temperature for heating or hot water using the "+" or "-" buttons.
The optimal pressure level for the boiler should be between 1.0 and 1.5 bar. Check the pressure gauge and adjust accordingly using the filling loop if needed.
Turn off the heating system and use a radiator key to open the bleed valve on each radiator until water starts to escape. Close the valve and check the system pressure.
Regularly check the pressure gauge, bleed the radiators if needed, and ensure the air vents and flue are clear of obstructions. For more complex tasks, contact a professional.
Access the settings menu on the control panel and select the desired mode (summer or winter). Adjust the parameters for each mode according to your heating needs.
Unusual noises may indicate air in the system or a failing component. Bleed the radiators to remove air and monitor the noise. If it persists, consult a technician.