What does the Viessmann Vitodens 050-W E310 fault code mean?
The E310 fault code on the Viessmann Vitodens 050-W indicates a malfunction in the heating circuit pump. This issue can prevent the proper circulation of water within the heating system, leading to inadequate heating performance.
Common Causes
- Blocked Pump: Debris or sediment may have accumulated in the pump, obstructing its operation.
- Electrical Fault: A failure in the electrical components or wiring connected to the pump can cause it to stop functioning.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer for this issue, as it involves electrical components and potentially gas-related systems. Attempting to fix it yourself could pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for fixing the heating circuit pump is around £250 to £400, depending on whether the pump needs to be repaired or replaced. This cost includes parts and labour from a qualified engineer.