Low
30 on Baxi Combi Instant 80/105 HE

Your boiler is simply going through its normal startup sequence or resetting itself, and no action is currently required.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Power On

Shared across the Combi Instant 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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Boiler cover options

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Related fault codes

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All 29 fault codes on the Combi Instant 80/105 HE

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

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