Medium
10.i on Chaffoteaux Celtic 2 24 Rsc

Your boiler is struggling to keep the water flowing at a steady rate, causing it to constantly turn on and off as it fails to regulate the temperature properly.

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

Rapid cycling high/low or high/low/off - Low water flow rate

Engineer required

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

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