BoilerFaultCodesFerroli F50 Fault Code
The Ferroli F50 fault code means: your boiler's computer system has detected an internal configuration error, meaning it cannot safely start up or operate until the settings are reset or corrected.. It appears on 12 Ferroli models in our database.
Technical description: PCB parameter fault
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Ferroli models that show the F50 fault code
Click a model for the full fault code list and model-specific repair notes.
- Arena 30 C Repair: £180-350
- Arena 30A Repair: £150-300
- Bluehelix HiTech RRT Repair: £120-220
- Bluehelix Pro RRT Repair: £250-450
- Bluehelix Tech Repair: £150-300
- Bluehelix Tech RRT Repair: £250-450
- Bluehelix Tech RRT 24C Repair: £250-450
- Domi Compact Repair: £120-250
- Domiproject Repair: £250-£450
- Force W Repair: £150-250
- i25 Repair: £250-£450
- i29 Repair: £280-450
Source
Ferroli F50 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.
- Ferroli Arena 30 C manual (PDF)
- Ferroli Arena 30A manual (PDF)
- Ferroli Bluehelix HiTech RRT manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026