Low
0.0 on British Gas RD 430i

Your boiler is simply showing the record of the most recent error it encountered to help a service engineer diagnose past issues.

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

Last fault (displays any faults that have occurred for the information of the service engineer)

Shared across the RD 430i 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

Press the 'Reset' button if the boiler is currently locked outMonitor the boiler to see if a specific error code appears during operationIf the boiler is working normally, no action is required

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All 32 fault codes on the RD 430i

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

-II-2.02.42.52.75.07.030405060708090100A1b1C1C4C6d3E2E9EAF7FAFCFdP1P2P3

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