Medium
42 on Biasi Antares Combi

Buttons on the control panel appear to be stuck or are not communicating correctly with the boiler's internal computer.

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

Keys fault.

Shared across the Antares 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.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check if any control buttons are physically stuck in the 'pressed' positionGently clean the control panel surface with a dry clothTurn the boiler off at the fused spur switch, wait 30 seconds, and turn it back on to reset the electronics

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Avoid the next call-out bill

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All 74 fault codes on the Antares Combi

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

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