How to fix Ideal Logic Max fault code F27

What does the Ideal Logic Max F27 fault code mean?

The F27 fault code on the Ideal Logic Max indicates a pump failure, which can prevent the boiler from circulating water effectively. This issue can lead to overheating and potential damage if not addressed promptly.

Common Causes

  • Blocked Pump: Debris or sludge in the system can obstruct the pump, preventing it from functioning properly.
  • Electrical Fault: Issues with the pump’s electrical connections or the control board can lead to a failure in operation.

Can I fix it myself? (DIY)

It is advisable to call a Gas Safe Engineer for this issue, as working on the pump involves gas and electrical components that require professional handling for safety reasons.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for a pump replacement on an Ideal Logic Max is around £300 to £400, which includes parts and labour. This cost reflects the complexity of the repair and the need for a qualified technician.