High
Section K on Alpha 240XE

Your boiler's reset button is failing to send the signal required to restart the system, meaning the unit cannot be woken up from its current locked state.

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

No continuity across terminals 1 and 3 on reset switch when pressed

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

Section JView →Section LView →

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