Medium
5.iii on Chaffoteaux Sterling FF

Your boiler is struggling to provide hot water because the debris filter that cleans the water entering the system has become clogged, restricting the flow.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

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

Hot water does not operate over temperature range - Inlet water filter blocked

Engineer required

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

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Related fault codes

5.iView →5.iiView →

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