What does the Ideal Mini F31 fault code mean?
The F31 fault code on an Ideal Mini boiler indicates a pump fault, which typically means that the pump is either not operating correctly or has failed. This can lead to inadequate circulation of water within the heating system, resulting in heating issues.
Common Causes
- Blocked Pump: Debris or sludge in the system can obstruct the pump, preventing it from functioning properly.
- Electrical Fault: Issues with the wiring or connections to the pump can lead to a failure in operation.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and potential gas 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 an F31 fault on an Ideal Mini boiler is around £150 to £250, which includes the cost of a new pump and labour. This estimate reflects the typical price for parts and professional service in the UK.