Low
8E on Worcester Bosch Greenstar 25Si Compact ErP

Your boiler has reverted to its factory default settings, which is usually just an informational notification rather than a breakdown.

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

Reset to factory settings (displayed with the spanner symbol)

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar Si Compact Erp 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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Related fault codes

7EView →9EView →

All 52 fault codes on the Greenstar 25Si Compact ErP

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

8C9A9U212213229234241260261276277278280285328338380A1A3A7A8b7C1C4C6C7CCCECFD1D3D4E2E3E4E5E9EAECEDEEEFF0F7FAFbFDH5H11H13

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