Low
S.030 on Vaillant Turbomax 242/282 1E

Your boiler is currently in standby mode because it is not receiving a signal from your thermostat to turn on the heating.

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

No demand is present for the thermostat. Heating mode is blocked.

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.

DIY fix possible

Check that your room thermostat is set to 'On' and the temperature dial is turned up higher than the current room temperatureEnsure any smart thermostat or app linked to your heating system is active and requesting heatCheck the system timer or programmer to see if it is currently set to an 'Off' period

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Avoid the next call-out bill

A cover plan would handle faults like S.030: 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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