Unknown
A8 on Worcester Bosch Greenstar 24

Worcester Bosch Greenstar 24 fault code A8

What the manual says

Manufacturer manual

Communication fault.

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 24 28 Combi I S 2012 2014 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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All 18 fault codes on the Greenstar 24

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