Medium
F11 on Euroterm E27 Plus

Your boiler has temporarily stopped working because it cannot properly read the temperature of the water returning from your radiators.

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

Return sensor fault

From this model's manual
Verified against the Euroterm/Euroterm E27 Plus 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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Related fault codes

F10View →F12View →

All 27 fault codes on the E27 Plus

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

A01A02A03A04A05A06A41A42A44A61A62A63A64F07F10F12F13F14F15F34F35F37F39F43F52F66

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