High
E44 on Biasi Rinnova Adaptive Combi

Your boiler is failing to light the gas or keep the flame burning, which means your heating and hot water have stopped working.

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

Gas supply line / Ignition / Detection electrode / Main electronic p.c.b. / Gas valve / Pump / By-pass valve

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.

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful