Medium
E24 on Keston C36p

Your boiler has detected that you have added water into the system too many times today, which suggests there is a leak somewhere in your radiators or pipework.

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

Water pressure losses - You have topped up the water pressure more than 4 times in 24 hours. You may have a leak on the system..

From this model's manual
Verified against the Keston C36p installation & service manual, page 32.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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