What does the Baxi Platinum F30 fault code mean?
The F30 fault code on a Baxi Platinum boiler indicates a thermistor fault, which typically means that the temperature sensor is malfunctioning or has failed. This can lead to incorrect temperature readings, affecting the boiler’s performance and efficiency.
Common Causes
- Faulty Thermistor: The thermistor may be damaged or have an internal fault, causing it to send incorrect signals to the boiler’s control system.
- Wiring Issues: Damaged or loose wiring connections to the thermistor can disrupt its functionality, leading to the F30 fault code being displayed.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as working with gas appliances can be dangerous. Attempting to fix electrical components without proper training may lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for fixing a thermistor fault on a Baxi Platinum boiler is around £150 to £200. This includes the cost of the replacement thermistor and labour, as it requires a qualified engineer to ensure safe and correct installation.