High
E96 on Biasi Rinnova Adaptive Combi

Your boiler has detected an issue with the electrical power supply coming into your home, meaning the frequency is outside of the safe range required for it to operate.

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

Incorrect network frequency.

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

E03View →

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