Unknown
UF on Ideal INSTINCT2

Ideal INSTINCT2 fault code UF

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Displayed during diverter valve actuator replacement sequence

From this model's manual
Verified against the Ideal/Ideal Idealie Qsg 236289 Ideal Instinct2 Install Guide Pdf 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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All 36 fault codes on the INSTINCT2

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

DUF[-]F1F2F2 Or Fn Or LnF3F4F5F6F7F8F8 or L8F8/L8F9F9 or L9F9/L9FAFNFUL[-]L1L2L4L4 Or F4L5L5 Or F5L6L8L9LCLNoFSHSLuP

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