F1 High

Ravenheat F1 Fault Code

The Ravenheat F1 fault code means: your boiler has detected an issue with the airflow system, which prevents it from safely burning gas and has caused it to shut down to protect your home.. It appears on 5 Ravenheat models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: orifice plate
Typical repair cost £150-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ravenheat models that show the F1 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ravenheat F1 fault code information on this page is sourced and cross-checked against the official Ravenheat service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026