High
Neon l1 on Ideal Classic NF30–NF80

Your boiler has detected that the internal fan or air pressure system is sticking in the 'on' position, preventing it from starting its safety checks.

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

Air pressure switch made

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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Neon L2View →

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