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.

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

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

From this model's manual
Verified against the Ideal Maximiser Se 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.

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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