What does the Baxi Platinum F47 fault code mean?
The F47 fault code on a Baxi Platinum boiler indicates a central heating (CH) pump fault. This typically means that the pump is either not functioning correctly or has failed, preventing the circulation of hot water through the heating system.
Common Causes
- Blocked Pump: Debris or sludge in the system can obstruct the pump, causing it to malfunction.
- Electrical Fault: Issues with the electrical supply to the pump, such as a blown fuse or faulty wiring, can prevent it from operating.
Can I fix it myself? (DIY)
If you are experienced with boiler systems, you can check the pump for blockages and ensure it is receiving power. However, due to safety regulations, it is strongly advised to call a Gas Safe Engineer for any gas or electrical issues.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty CH pump on a Baxi Platinum boiler is around £250 to £350. This includes the cost of a replacement pump and labour, reflecting the complexity of the work and the need for a qualified engineer.