BoilerFaultCodesChaffoteaux 01 Fault Code
The Chaffoteaux 01 fault code means: your boiler has recorded a fault, but this specific code is a generic indicator showing that an error occurred previously rather than describing a specific current problem.. It appears on 10 Chaffoteaux models in our database.
Technical description: Default register code from 01 to 99 (Last default occurred)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Chaffoteaux models that show the 01 fault code
Click a model for the full fault code list and model-specific repair notes.
- Calydra 23 Green Repair: £100-280
- Calydra 24 Green Repair: £120-350
- Calydra Comfort 100 Repair: £120-250
- Centora Green 24 Repair: £120-250
- Centora Green 30 Repair: £120-250
- Centora Green System 24 Repair: £120-250
- Centora Green System 30 Repair: £120-250
- Minima HE Repair: £100-200
- Talia Green 25 Repair: £120-250
- Talia Green System Repair: £120-250
Source
Chaffoteaux 01 fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.
- Chaffoteaux Calydra 24 Green manual (PDF)
- Chaffoteaux Calydra Comfort 100 manual (PDF)
- Chaffoteaux Centora Green 24 manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026