Medium
10, 11, 12, 13, 14 on Intergas Combi Compact HRE

Your boiler has detected an issue with its internal temperature sensors or water flow detector, which usually means it needs a professional to test or replace the faulty part.

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

Sensor fault S1 / Flow switch does not disconnect

From this model's manual
Verified against the Intergas/Intergas Combi Compact Hre 24 18 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.

Engineer required

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

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Avoid the next call-out bill

A cover plan would handle faults like 10, 11, 12, 13, 14: no call-out fees, no surprise bills.

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Related fault codes

All 10 fault codes on the Combi Compact HRE

Seeing a different code? Every code this model can display, in one place.

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