High
E22 on Heatline Sargon 24

Your boiler's internal computer has lost its settings or is incorrectly programmed, meaning it no longer knows how to operate the heating system safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

PCB parameter error: Incorrect configuration of the electronic control board.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E01View →E05View →

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