E01
FAULT CODE
Alpha
Ignition Failure
Medium Severity
DIY Check Possible
The boiler has failed to ignite — the burner attempted to light but no flame was detected.
Cold Weather Note
Frozen condensate pipes are a common winter cause across all Alpha models.
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 and thaw with warm water
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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 check ignition electrodes 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.