Low
2.0 on British Gas RD 430i

Your boiler is currently operating normally in it's standard heating or hot water mode, and this code is an status indicator rather than an error.

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

Operating mode

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

Check your thermostat to ensure it is calling for heatMonitor the display to see if the code changes when the heating turns offNo action is required as this is a normal status message

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