High
Spark at ignition electrodes on Alpha CB 240 / 280

Your boiler is struggling to light its internal flame, which means it cannot produce the heat or hot water you need.

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

Follow section 'F' fault finding

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 guides you might find useful