220 Emergency

Potterton 220 Fault Code

The Potterton 220 fault code means: your boiler has detected an issue with the air supply or exhaust fumes, meaning it has safely shut down to prevent the risk of harmful gases building up in your home.. It appears on 1 Potterton model 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: Osprey 220
Typical repair cost £150-300 (including labour)

Engineer required

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

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Potterton models that show the 220 fault code

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

Source

Potterton 220 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

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