What does the Ideal Logic Plus F42 fault code mean?
The F42 fault code on the Ideal Logic Plus indicates a problem with the gas supply to the boiler. This could be due to a blockage, a valve issue, or an interruption in the gas line.
Common Causes
- Blocked Gas Supply Line: Debris or obstructions in the gas line can prevent gas from reaching the boiler.
- Faulty Gas Valve: A malfunctioning gas valve may fail to open or close properly, disrupting the gas flow.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any issues related to gas supply or electrical components. Attempting to fix these problems without proper training can be dangerous.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F42 fault could range from £150 to £300, depending on whether the issue is a simple blockage or requires replacement of the gas valve.