F62 Emergency

Heatline F62 Fault Code

The Heatline F62 fault code means: your boiler has detected an issue with its internal gas supply system and has safely shut itself down to prevent any unsafe operation.. It appears on 8 Heatline models in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Gas valve closure fault
Typical repair cost £180-300 (including labour)

Engineer required

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

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Heatline models that show the F62 fault code

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

Source

Heatline F62 fault code information on this page is sourced and cross-checked against the official Heatline service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026