Chaffoteaux Challenger 50 OF Fault codes & diagnostics

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

Regular Natural Gas 14.6 kW Discontinued
GC Numbers 41-980-7641-980-7141-980-7441-980-7241-980-7541-980-77
Download the Chaffoteaux Challenger 50 OF manual The official installation & service manual (PDF) — the exact document these fault codes were verified against. PDF

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Fault codes

All 1 documented codes

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Pilot extinguishes

Your boiler has automatically shut down to protect itself from overheating, and the pilot light has gone out as a result.

Emergency Engineer only £120-250

Parts commonly replaced

  • High limit thermostat
  • Thermocouple
  • Pilot injector
Full explanation for Pilot extinguishes