What does the Viessmann Vitodens 200-W F57 fault code mean?
The F57 fault code on the Viessmann Vitodens 200-W indicates a problem with the burner, which may be due to ignition failure or issues with the gas supply. This fault prevents the boiler from operating efficiently and requires immediate attention.
Common Causes
- Ignition Failure: This can occur if the ignition electrode is dirty or damaged, preventing the burner from igniting properly.
- Gas Supply Issues: Insufficient gas pressure or a blockage in the gas line can lead to burner malfunction, causing the F57 fault code.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer to diagnose and repair the issue, as working with gas appliances can be dangerous and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F57 fault code is around £150 to £300, depending on whether the ignition electrode needs cleaning or replacement, or if there are gas supply issues that require more extensive work.