Medium
8.7 on Chaffoteaux Britony II 30FF

Your boiler has detected that the water inside the system is too cold, which may prevent it from heating your home properly or signal a sensor problem.

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.

What the manual says

Manufacturer manual

Low Water Temperature

From this model's manual
Verified against the Chaffoteaux Britony Ii 30ff installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Ensure the boiler is switched on and receiving powerCheck that the room thermostat is turned up high enough to call for heatCheck if any external pipes are frozen if it is extremely cold outsidePerform a simple reset by turning the control knob to 'Reset' and back

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Related fault codes

8.6View →8.8View →

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