What does the Ideal Logic Plus F81 fault code mean?
The F81 fault code on the Ideal Logic Plus indicates a problem with the boiler’s energy-saving features, often related to the control board or sensor issues. This can lead to inefficient operation and may prevent the boiler from functioning correctly.
Common Causes
- Faulty Control Board: The control board may be malfunctioning, causing incorrect readings or failure to engage energy-saving modes.
- Sensor Issues: A faulty temperature or pressure sensor can lead to incorrect data being sent to the control board, triggering the F81 fault.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and safety risks. Attempting to fix it yourself could lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F81 fault could range from £150 to £300, primarily depending on whether the control board needs replacement or if sensors require servicing. This cost reflects the complexity of the issue and the need for professional expertise.