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)

From this model's manual
Verified against the British Gas Rd 430i System 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.

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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