Chaffoteaux Calydra Comfort 80 Fault codes & diagnostics

1 fault code with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Combi Natural Gas 23.3 kW 1998-2005 Discontinued
GC Number 47-980-22

Replaced by: Chaffoteaux Niagara C

Download the Chaffoteaux Calydra Comfort 80 manualThe official installation and service manual (PDF), the document these fault codes were read from. PDF

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Fault codes

All 1 documented codes

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30 40 50 60 70 80

Your boiler has detected that it is running much hotter than it should be and has automatically switched itself off to prevent internal damage.

High Engineer only £120-£250

Parts commonly replaced

  • Pump
  • Diverter valve
  • Heat exchanger
  • NTC thermistor

Related codes

Full explanation for 30 40 50 60 70 80