Medium
8.iii on Chaffoteaux Celtic 24 HE

Your boiler's internal pump is struggling to circulate water because small pieces of dirt or grit have become trapped inside it.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Pump noisy - Debris in pump

Engineer required

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

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Related fault codes

7.iiiView →8.iView →8.iiView →

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