Medium
36 on Alpha Intec2 25 28XE

Your boiler's electronic control system is showing an error for a feature that isn't actually installed on your unit, which suggests a computer software glitch or a loose internal communication wire.

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

BUS connection fault. Not used on this model

From this model's manual
Verified against the Alpha Intec2 25 28xe 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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