High
Er14+ on Biasi Activa

Your boiler has sensed that water is not moving through the system properly or is overheating too quickly, causing it to shut down for 10 minutes to protect itself.

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

Faulty primary circuit (nowater or absence of flow) (temperature increase > 2K/s) (the boiler can’t restart for 10 minutes)

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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