Unknown
30 40 50 60 70 80 on Chaffoteaux Calydra Comfort 80

Chaffoteaux Calydra Comfort 80 fault code 30 40 50 60 70 80

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Overheating safety feature

From this model's manual
Verified against the Chaffoteaux/Chaffoteaux Calydra Comfort 80 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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