What does the Viessmann Vitodens 050-W E244 fault code mean?
The E244 fault code indicates a malfunction of the flow switch in the Viessmann Vitodens 050-W boiler. This issue can prevent the boiler from properly detecting water flow, leading to heating and hot water supply problems.
Common Causes
- Blocked Flow Switch: Debris or mineral build-up can obstruct the flow switch, causing it to fail.
- Electrical Fault: A wiring issue or a faulty connection can prevent the flow switch from sending the correct signals to the boiler’s control system.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to diagnose and repair the issue, as working on gas appliances can be dangerous and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty flow switch on a Viessmann Vitodens 050-W is around £150 to £250. This includes the cost of the part and labour, as flow switches are typically priced between £50 and £100, with additional charges for professional installation.