Low
S.009 on Vaillant Turbomax 242/282 1E

Your boiler is currently performing a routine, automatic internal maintenance check to ensure its ignition parts are working as efficiently as possible.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

The heating mode is active and the unit carries out an automatic drift adaptation of the control electrode in order to offset the ageing of the electrode.

Shared across the 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.

Engineer required

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

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Avoid the next call-out bill

A cover plan would handle faults like S.009: no call-out fees, no surprise bills.

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All 172 fault codes on the Turbomax 242/282 1E

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

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