Ferroli · Bluehelix Tech RRT
F68 / A68BCC service-key file loading error
This code applies to Bluehelix Tech RRT 24C, Bluehelix Tech RRT 28C, Bluehelix Tech RRT 34C, Bluehelix Tech RRT 18S, Bluehelix Tech RRT 24S, Bluehelix Tech RRT 30S. Fault codes narrow down the likely problem, but they do not replace a model-specific diagnosis.
What you can safely check
- Do not remove the boiler case.
- Record the full code and model, then arrange a Gas Safe registered engineer.
How an engineer may fix it
Follow the model-specific fault-finding procedure, test the indicated circuit or component, repair the cause and recommission the appliance.
Code availability varies slightly between combi and system outputs; confirm the exact model manual.
Manufacturer source: Ferroli — Bluehelix Tech RRT 24C Instructions for Use, Installation and Maintenance. Checked 15 August 2026. The appliance manual and an engineer’s on-site diagnosis take precedence. Never remove the boiler case yourself.