Viessmann Flammino Series 13121 Installation Instructions
![Viessmann Flammino Series 13121 Boiler manual cover](/images/hlQoYyKfArwvUqRYYSpiDYEo/thumbs/thumb175x175.webp)
To reset your Viessmann Flammino Series 13121 boiler, locate the reset button on the control panel. Press and hold the button for a few seconds until the display indicates that the system is resetting. Release the button and wait for the boiler to restart.
First, check the thermostat settings to ensure they are correct. Next, inspect the pressure gauge to verify it is within the recommended range (typically 1-1.5 bar). If the problem persists, consider bleeding the radiators to remove any trapped air.
It is recommended to have your Viessmann Flammino Series 13121 boiler serviced annually by a qualified technician to ensure optimal performance and safety.
Unusual noises can be caused by trapped air, low water pressure, or a build-up of limescale. Bleed the radiators to remove air, check water pressure, and consider using a limescale remover if necessary.
Common error codes include F1 for low water pressure, F2 for ignition failure, and F3 for a fan error. Refer to the user manual for a comprehensive list and troubleshooting steps for each code.
To increase efficiency, ensure your boiler is serviced regularly, bleed radiators to remove air, set the thermostat to an appropriate level, and ensure there is adequate insulation in your home.
If your boiler is leaking, turn off the water supply and switch off the boiler. Contact a qualified technician to inspect and repair the issue, as leaks can be due to faulty components or seals.
Boiler installation should always be performed by a qualified professional to ensure safety and compliance with local regulations. Self-installation is not recommended.
Signs that your boiler may need replacement include frequent breakdowns, rising energy bills, unusual noises, and the boiler being over 15 years old. Consult with a professional technician for an assessment.
To adjust the pressure, locate the filling loop and open the valves to allow water to flow into the system. Monitor the pressure gauge and close the valves once the pressure reaches the recommended level (1-1.5 bar).