What does the Viessmann Vitodens 100-W F69 fault code mean?
The F69 fault code on the Viessmann Vitodens 100-W indicates a maintenance reminder alert, suggesting that the boiler requires servicing or maintenance. This is a standard notification to ensure the system operates efficiently and safely.
Common Causes
- Maintenance Interval Reached: The boiler has reached the predetermined service interval set by the manufacturer.
- Incorrect Reset Procedure: The maintenance reminder may not have been reset properly after the last service, causing the fault code to persist.
Can I fix it myself? (DIY)
While you can reset the maintenance reminder by following the user manual instructions, it is recommended to call a Gas Safe Engineer for a thorough inspection and servicing of the boiler to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated cost for a routine service to address the F69 fault code is approximately £120 to £150. This includes a full inspection and necessary maintenance, which is essential for optimal boiler performance.