How to fix Viessmann Vitodens 050-W fault code E260

What does the Viessmann Vitodens 050-W E260 fault code mean?

The E260 fault code on the Viessmann Vitodens 050-W indicates a problem with the system ignition electrode, which is responsible for igniting the gas in the burner. This issue can prevent the boiler from starting or operating efficiently.

Common Causes

  • Electrode Damage: The ignition electrode may be cracked or worn, affecting its ability to create a spark.
  • Electrical Connection Issues: Loose or corroded connections can disrupt the electrical flow necessary for the ignition electrode to function properly.

Can I fix it myself? (DIY)

It is highly recommended to call a Gas Safe Engineer for this issue, as working with gas appliances poses safety risks. Attempting to fix ignition-related problems without proper training can lead to dangerous situations.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for replacing the ignition electrode on a Viessmann Vitodens 050-W is around £150 to £250. This includes the cost of the part and labour, as ignition electrodes are typically priced between £50 and £100, with additional charges for professional installation.