Medium
32 on Ideal Maximiser SE

Your boiler has experienced a temporary software or ignition glitch and simply needs to be rebooted to clear the error.

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

Press “reset” until “r” appears on the display.

Shared across the Maximiser SE 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.

What causes this fault?

This fault occurs when the boiler's internal computer experiences a temporary communication error or a minor interruption during its startup sequence. It is essentially a software freeze where the control board loses its place and requires a manual restart to sync its components back together. In most cases, there is no mechanical failure or broken part behind this specific code.

DIY fix possible

Locate the reset button on the control panel.Press and hold the button until the letter 'r' appears on the display.Release the button and wait for the boiler to restart its firing sequence.

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All 118 fault codes on the Maximiser SE

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

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