What does the Ideal Logic Plus F77 fault code mean?
The F77 fault code on the Ideal Logic Plus indicates a problem with the boiler’s energy monitoring system. This typically means that the boiler is unable to accurately measure or report its energy consumption, which can affect its efficiency and performance.
Common Causes
- Faulty Energy Meter: The energy meter may be malfunctioning or damaged, preventing accurate readings.
- Wiring Issues: Loose or damaged wiring connections related to the energy monitoring system can lead to communication failures.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components that can be dangerous to handle without proper training.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F77 fault could be around £150 to £250, primarily due to the potential need for replacing the energy meter or repairing wiring, which requires professional expertise.