What does the Biasi E42 fault code mean?

Your boiler's control panel is struggling to register your button presses, likely because the interface board is stuck or faulty.

How much does it cost to fix Biasi error code E42?

Typical repair cost for the Biasi E42 fault is £150-250 including labour.

Manufacturer manual

Buttons fault.

Shared across the Rinnova Adaptive range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

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

Boiler cover options

A cover plan would handle faults like E42: no call-out fees, no surprise bills.

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

Break-even maths on monthly cover.

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What a UK service costs and what a proper one includes.