Low
4.7 on Worcester Bosch R30 HE Plus

Your boiler is providing an informational status notification rather than indicating a system fault, so your heating and hot water should continue to operate normally.

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

i Info

From this model's manual
Verified against the Worcester Bosch R30 He Plus 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.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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