E01
FAULT CODE
Chaffoteaux
Ignition Failure (modern models)
High Severity
Engineer Required
No flame detected on Pigma/Calydra Green models.
Cold Weather Note
Condensate freezing common in winter.
Step-by-Step Fix Guide
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Step 1
Check gas supply
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Step 2
Check condensate pipe
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Step 3 Engineer only
Reset once
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.