How to fix Ideal Logic Max fault code F28

What does the Ideal Logic Max F28 fault code mean?

The F28 fault code on the Ideal Logic Max indicates a failure to ignite, which can prevent the boiler from operating properly. This issue typically arises due to problems with the gas supply or ignition components.

Common Causes

  • Gas Supply Issue: There may be a blockage or interruption in the gas supply, preventing the boiler from igniting.
  • Faulty Ignition Electrode: The ignition electrode may be damaged or dirty, failing to create the necessary spark for ignition.

Can I fix it myself? (DIY)

It is recommended to call a Gas Safe Engineer for any gas-related issues, including ignition faults. Attempting to fix these problems without proper training can be dangerous.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for resolving an F28 fault could be around £150 to £250, depending on whether the issue is a simple gas supply blockage or requires replacement of the ignition electrode.