1
FAULT CODE
Alpha
Ignition Failure
Medium Severity
DIY Check Possible
The boiler has failed to ignite. Possible causes include gas supply issues, defective ignition electrode, faulty ignition lead, gas valve problem, or PCB fault.
Cold Weather Note
A frozen condensate pipe is a common cause in cold weather.
Step-by-Step Fix Guide
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Step 1
Check gas supply — try other gas appliances
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Step 2
In cold weather, check for a frozen condensate pipe
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Step 3
Reset the boiler once
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Step 4
If fault persists, call a Gas Safe engineer to inspect the ignition electrode, lead, and gas valve
Gas Safe Reminder
Work on gas appliances must be carried out by a Gas Safe registered engineer. The steps above cover safe checks a homeowner can perform - any internal component replacement requires a qualified professional. If in doubt, always call an engineer.